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R. Silva" To: Kalle Valo , "David S. Miller" , Christian Lamparter , Maxime Coquelin , Alexandre Torgue , Maya Erez Subject: [PATCH][next] ath: Replace zero-length array with flexible-array member Message-ID: <20200224165952.GA9377@embeddedor> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.9.4 (2018-02-28) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator4166.hostgator.com X-AntiAbuse: Original Domain - lists.infradead.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - embeddedor.com X-BWhitelist: no X-Source-IP: 200.68.140.135 X-Source-L: No X-Exim-ID: 1j6H2W-0032qs-8v X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: (embeddedor) [200.68.140.135]:18194 X-Source-Auth: gustavo@embeddedor.com X-Email-Count: 97 X-Source-Cap: Z3V6aWRpbmU7Z3V6aWRpbmU7Z2F0b3I0MTY2Lmhvc3RnYXRvci5jb20= X-Local-Domain: yes X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200224_085707_574293_9C82FB66 X-CRM114-Status: UNSURE ( 9.56 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [192.185.47.18 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: ath10k@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Gustavo A. R. Silva" , netdev@vger.kernel.org, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, ath10k@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, wil6210@qti.qualcomm.com, wcn36xx@lists.infradead.org, ath11k@lists.infradead.org, linux-arm-kernel@lists.infradead.org Sender: "ath10k" Errors-To: ath10k-bounces+patchwork-ath10k=patchwork.kernel.org@lists.infradead.org The current codebase makes use of the zero-length array language extension to the C90 standard, but the preferred mechanism to declare variable-length types such as these ones is a flexible array member[1][2], introduced in C99: struct foo { int stuff; struct boo array[]; }; By making use of the mechanism above, we will get a compiler warning in case the flexible array does not occur last in the structure, which will help us prevent some kind of undefined behavior bugs from being inadvertently introduced[3] to the codebase from now on. Also, notice that, dynamic memory allocations won't be affected by this change: "Flexible array members have incomplete type, and so the sizeof operator may not be applied. As a quirk of the original implementation of zero-length arrays, sizeof evaluates to zero."[1] This issue was detected with the help of Coccinelle. [1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html [2] https://github.com/KSPP/linux/issues/21 [3] commit 76497732932f ("cxgb3/l2t: Fix undefined behaviour") Signed-off-by: Gustavo A. R. Silva --- drivers/net/wireless/ath/ath10k/ce.h | 2 +- drivers/net/wireless/ath/ath10k/core.h | 2 +- drivers/net/wireless/ath/ath10k/coredump.h | 4 +- drivers/net/wireless/ath/ath10k/debug.h | 2 +- drivers/net/wireless/ath/ath10k/hw.h | 2 +- drivers/net/wireless/ath/ath10k/pci.h | 2 +- drivers/net/wireless/ath/ath10k/swap.h | 2 +- drivers/net/wireless/ath/ath10k/wmi-tlv.h | 6 +- drivers/net/wireless/ath/ath10k/wmi.h | 42 +++++++------- drivers/net/wireless/ath/ath11k/ce.h | 2 +- drivers/net/wireless/ath/ath11k/debug.h | 2 +- .../net/wireless/ath/ath11k/debug_htt_stats.h | 8 +-- drivers/net/wireless/ath/ath11k/dp.h | 10 ++-- drivers/net/wireless/ath/ath11k/hal_desc.h | 4 +- drivers/net/wireless/ath/ath11k/hal_rx.h | 2 +- drivers/net/wireless/ath/ath11k/hw.h | 2 +- drivers/net/wireless/ath/ath11k/rx_desc.h | 2 +- drivers/net/wireless/ath/ath11k/wmi.h | 2 +- drivers/net/wireless/ath/ath6kl/core.h | 4 +- drivers/net/wireless/ath/ath6kl/debug.c | 2 +- drivers/net/wireless/ath/ath6kl/hif.h | 2 +- drivers/net/wireless/ath/ath6kl/wmi.h | 26 ++++----- drivers/net/wireless/ath/carl9170/fwcmd.h | 2 +- drivers/net/wireless/ath/carl9170/fwdesc.h | 2 +- drivers/net/wireless/ath/carl9170/hw.h | 2 +- drivers/net/wireless/ath/carl9170/wlan.h | 2 +- drivers/net/wireless/ath/spectral_common.h | 2 +- drivers/net/wireless/ath/wcn36xx/hal.h | 4 +- drivers/net/wireless/ath/wcn36xx/testmode.h | 2 +- drivers/net/wireless/ath/wil6210/fw.h | 16 ++--- drivers/net/wireless/ath/wil6210/wmi.c | 2 +- drivers/net/wireless/ath/wil6210/wmi.h | 58 +++++++++---------- 32 files changed, 112 insertions(+), 112 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/ce.h b/drivers/net/wireless/ath/ath10k/ce.h index a7478c240f78..41b5ea25ca57 100644 --- a/drivers/net/wireless/ath/ath10k/ce.h +++ b/drivers/net/wireless/ath/ath10k/ce.h @@ -110,7 +110,7 @@ struct ath10k_ce_ring { struct ce_desc_64 *shadow_base; /* keep last */ - void *per_transfer_context[0]; + void *per_transfer_context[]; }; struct ath10k_ce_pipe { diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 5101bf2b5b15..7155eafdf8c6 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -1223,7 +1223,7 @@ struct ath10k { struct completion peer_delete_done; /* must be last */ - u8 drv_priv[0] __aligned(sizeof(void *)); + u8 drv_priv[] __aligned(sizeof(void *)); }; static inline bool ath10k_peer_stats_enabled(struct ath10k *ar) diff --git a/drivers/net/wireless/ath/ath10k/coredump.h b/drivers/net/wireless/ath/ath10k/coredump.h index 8bf03e8c1d3a..e760ce1a5f1e 100644 --- a/drivers/net/wireless/ath/ath10k/coredump.h +++ b/drivers/net/wireless/ath/ath10k/coredump.h @@ -88,7 +88,7 @@ struct ath10k_dump_file_data { u8 unused[128]; /* struct ath10k_tlv_dump_data + more */ - u8 data[0]; + u8 data[]; } __packed; struct ath10k_dump_ram_data_hdr { @@ -100,7 +100,7 @@ struct ath10k_dump_ram_data_hdr { /* length of payload data, not including this header */ __le32 length; - u8 data[0]; + u8 data[]; }; /* magic number to fill the holes not copied due to sections in regions */ diff --git a/drivers/net/wireless/ath/ath10k/debug.h b/drivers/net/wireless/ath/ath10k/debug.h index 82f7eb8583d9..099cc438e231 100644 --- a/drivers/net/wireless/ath/ath10k/debug.h +++ b/drivers/net/wireless/ath/ath10k/debug.h @@ -65,7 +65,7 @@ struct ath10k_pktlog_hdr { __le16 log_type; /* Type of log information foll this header */ __le16 size; /* Size of variable length log information in bytes */ __le32 timestamp; - u8 payload[0]; + u8 payload[]; } __packed; /* FIXME: How to calculate the buffer size sanely? */ diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h index 775fd62fb92d..87c18266f88f 100644 --- a/drivers/net/wireless/ath/ath10k/hw.h +++ b/drivers/net/wireless/ath/ath10k/hw.h @@ -165,7 +165,7 @@ enum qca9377_chip_id_rev { struct ath10k_fw_ie { __le32 id; __le32 len; - u8 data[0]; + u8 data[]; }; enum ath10k_fw_ie_type { diff --git a/drivers/net/wireless/ath/ath10k/pci.h b/drivers/net/wireless/ath/ath10k/pci.h index 4455ed6c5275..1254412f06dd 100644 --- a/drivers/net/wireless/ath/ath10k/pci.h +++ b/drivers/net/wireless/ath/ath10k/pci.h @@ -182,7 +182,7 @@ struct ath10k_pci { * allocated (ahb support enabled case) in the continuation of * this struct. */ - struct ath10k_ahb ahb[0]; + struct ath10k_ahb ahb[]; }; static inline struct ath10k_pci *ath10k_pci_priv(struct ath10k *ar) diff --git a/drivers/net/wireless/ath/ath10k/swap.h b/drivers/net/wireless/ath/ath10k/swap.h index 25e0ad36ddb1..b4733b5ded34 100644 --- a/drivers/net/wireless/ath/ath10k/swap.h +++ b/drivers/net/wireless/ath/ath10k/swap.h @@ -17,7 +17,7 @@ struct ath10k_fw_file; struct ath10k_swap_code_seg_tlv { __le32 address; __le32 length; - u8 data[0]; + u8 data[]; } __packed; struct ath10k_swap_code_seg_tail { diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.h b/drivers/net/wireless/ath/ath10k/wmi-tlv.h index 4972dc12991c..4d49eb4b7f3d 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-tlv.h +++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.h @@ -1623,7 +1623,7 @@ wmi_tlv_svc_map_ext(const __le32 *in, unsigned long *out, size_t len) struct wmi_tlv { __le16 len; __le16 tag; - u8 value[0]; + u8 value[]; } __packed; struct ath10k_mgmt_tx_pkt_addr { @@ -2023,7 +2023,7 @@ struct wmi_tlv_bcn_tx_status_ev { struct wmi_tlv_bcn_prb_info { __le32 caps; __le32 erp; - u8 ies[0]; + u8 ies[]; } __packed; struct wmi_tlv_bcn_tmpl_cmd { @@ -2054,7 +2054,7 @@ struct wmi_tlv_diag_item { __le16 len; __le32 timestamp; __le32 code; - u8 payload[0]; + u8 payload[]; } __packed; struct wmi_tlv_diag_data_ev { diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h index 972d53d77654..a2fdb9550627 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -2283,7 +2283,7 @@ struct wmi_service_ready_event { * where FW can access this memory directly (or) by DMA. */ __le32 num_mem_reqs; - struct wlan_host_mem_req mem_reqs[0]; + struct wlan_host_mem_req mem_reqs[]; } __packed; /* This is the definition from 10.X firmware branch */ @@ -2322,7 +2322,7 @@ struct wmi_10x_service_ready_event { */ __le32 num_mem_reqs; - struct wlan_host_mem_req mem_reqs[0]; + struct wlan_host_mem_req mem_reqs[]; } __packed; #define WMI_SERVICE_READY_TIMEOUT_HZ (5 * HZ) @@ -3077,19 +3077,19 @@ struct wmi_chan_list_entry { struct wmi_chan_list { __le32 tag; /* WMI_CHAN_LIST_TAG */ __le32 num_chan; - struct wmi_chan_list_entry channel_list[0]; + struct wmi_chan_list_entry channel_list[]; } __packed; struct wmi_bssid_list { __le32 tag; /* WMI_BSSID_LIST_TAG */ __le32 num_bssid; - struct wmi_mac_addr bssid_list[0]; + struct wmi_mac_addr bssid_list[]; } __packed; struct wmi_ie_data { __le32 tag; /* WMI_IE_TAG */ __le32 ie_len; - u8 ie_data[0]; + u8 ie_data[]; } __packed; struct wmi_ssid { @@ -3100,7 +3100,7 @@ struct wmi_ssid { struct wmi_ssid_list { __le32 tag; /* WMI_SSID_LIST_TAG */ __le32 num_ssids; - struct wmi_ssid ssids[0]; + struct wmi_ssid ssids[]; } __packed; /* prefix used by scan requestor ids on the host */ @@ -3302,7 +3302,7 @@ struct wmi_stop_scan_arg { struct wmi_scan_chan_list_cmd { __le32 num_scan_chans; - struct wmi_channel chan_info[0]; + struct wmi_channel chan_info[]; } __packed; struct wmi_scan_chan_list_arg { @@ -3386,12 +3386,12 @@ struct wmi_mgmt_rx_hdr_v2 { struct wmi_mgmt_rx_event_v1 { struct wmi_mgmt_rx_hdr_v1 hdr; - u8 buf[0]; + u8 buf[]; } __packed; struct wmi_mgmt_rx_event_v2 { struct wmi_mgmt_rx_hdr_v2 hdr; - u8 buf[0]; + u8 buf[]; } __packed; struct wmi_10_4_mgmt_rx_hdr { @@ -3406,7 +3406,7 @@ struct wmi_10_4_mgmt_rx_hdr { struct wmi_10_4_mgmt_rx_event { struct wmi_10_4_mgmt_rx_hdr hdr; - u8 buf[0]; + u8 buf[]; } __packed; struct wmi_mgmt_rx_ext_info { @@ -3446,14 +3446,14 @@ struct wmi_phyerr { __le32 rssi_chains[4]; __le16 nf_chains[4]; __le32 buf_len; - u8 buf[0]; + u8 buf[]; } __packed; struct wmi_phyerr_event { __le32 num_phyerrs; __le32 tsf_l32; __le32 tsf_u32; - struct wmi_phyerr phyerrs[0]; + struct wmi_phyerr phyerrs[]; } __packed; struct wmi_10_4_phyerr_event { @@ -3470,7 +3470,7 @@ struct wmi_10_4_phyerr_event { __le32 phy_err_mask[2]; __le32 tsf_timestamp; __le32 buf_len; - u8 buf[0]; + u8 buf[]; } __packed; struct wmi_radar_found_info { @@ -3583,7 +3583,7 @@ struct wmi_mgmt_tx_hdr { struct wmi_mgmt_tx_cmd { struct wmi_mgmt_tx_hdr hdr; - u8 buf[0]; + u8 buf[]; } __packed; struct wmi_echo_event { @@ -4611,7 +4611,7 @@ struct wmi_stats_event { * By having a zero sized array, the pointer to data area * becomes available without increasing the struct size */ - u8 data[0]; + u8 data[]; } __packed; struct wmi_10_2_stats_event { @@ -4621,7 +4621,7 @@ struct wmi_10_2_stats_event { __le32 num_vdev_stats; __le32 num_peer_stats; __le32 num_bcnflt_stats; - u8 data[0]; + u8 data[]; } __packed; /* @@ -5016,7 +5016,7 @@ struct wmi_vdev_install_key_cmd { __le32 key_rxmic_len; /* contains key followed by tx mic followed by rx mic */ - u8 key_data[0]; + u8 key_data[]; } __packed; struct wmi_vdev_install_key_arg { @@ -5686,7 +5686,7 @@ struct wmi_bcn_tx_hdr { struct wmi_bcn_tx_cmd { struct wmi_bcn_tx_hdr hdr; - u8 *bcn[0]; + u8 *bcn[]; } __packed; struct wmi_bcn_tx_arg { @@ -6103,7 +6103,7 @@ struct wmi_bcn_info { struct wmi_host_swba_event { __le32 vdev_map; - struct wmi_bcn_info bcn_info[0]; + struct wmi_bcn_info bcn_info[]; } __packed; struct wmi_10_2_4_bcn_info { @@ -6113,7 +6113,7 @@ struct wmi_10_2_4_bcn_info { struct wmi_10_2_4_host_swba_event { __le32 vdev_map; - struct wmi_10_2_4_bcn_info bcn_info[0]; + struct wmi_10_2_4_bcn_info bcn_info[]; } __packed; /* 16 words = 512 client + 1 word = for guard */ @@ -6154,7 +6154,7 @@ struct wmi_10_4_bcn_info { struct wmi_10_4_host_swba_event { __le32 vdev_map; - struct wmi_10_4_bcn_info bcn_info[0]; + struct wmi_10_4_bcn_info bcn_info[]; } __packed; #define WMI_MAX_AP_VDEV 16 diff --git a/drivers/net/wireless/ath/ath11k/ce.h b/drivers/net/wireless/ath/ath11k/ce.h index e355dfda48bf..5fbf1fc39606 100644 --- a/drivers/net/wireless/ath/ath11k/ce.h +++ b/drivers/net/wireless/ath/ath11k/ce.h @@ -144,7 +144,7 @@ struct ath11k_ce_ring { u32 hal_ring_id; /* keep last */ - struct sk_buff *skb[0]; + struct sk_buff *skb[]; }; struct ath11k_ce_pipe { diff --git a/drivers/net/wireless/ath/ath11k/debug.h b/drivers/net/wireless/ath/ath11k/debug.h index 8e8d5588b541..ead5ca5160b6 100644 --- a/drivers/net/wireless/ath/ath11k/debug.h +++ b/drivers/net/wireless/ath/ath11k/debug.h @@ -65,7 +65,7 @@ struct debug_htt_stats_req { u8 peer_addr[ETH_ALEN]; struct completion cmpln; u32 buf_len; - u8 buf[0]; + u8 buf[]; }; #define ATH11K_HTT_STATS_BUF_SIZE (1024 * 512) diff --git a/drivers/net/wireless/ath/ath11k/debug_htt_stats.h b/drivers/net/wireless/ath/ath11k/debug_htt_stats.h index 4bdb62dd7b8d..f85982dcc2ad 100644 --- a/drivers/net/wireless/ath/ath11k/debug_htt_stats.h +++ b/drivers/net/wireless/ath/ath11k/debug_htt_stats.h @@ -237,7 +237,7 @@ struct htt_tx_pdev_stats_tx_ppdu_stats_tlv_v { */ struct htt_tx_pdev_stats_tried_mpdu_cnt_hist_tlv_v { u32 hist_bin_size; - u32 tried_mpdu_cnt_hist[0]; /* HTT_TX_PDEV_TRIED_MPDU_CNT_HIST */ + u32 tried_mpdu_cnt_hist[]; /* HTT_TX_PDEV_TRIED_MPDU_CNT_HIST */ }; /* == SOC ERROR STATS == */ @@ -548,7 +548,7 @@ struct htt_tx_hwq_stats_cmn_tlv { struct htt_tx_hwq_difs_latency_stats_tlv_v { u32 hist_intvl; /* histogram of ppdu post to hwsch - > cmd status received */ - u32 difs_latency_hist[0]; /* HTT_TX_HWQ_MAX_DIFS_LATENCY_BINS */ + u32 difs_latency_hist[]; /* HTT_TX_HWQ_MAX_DIFS_LATENCY_BINS */ }; /* NOTE: Variable length TLV, use length spec to infer array size */ @@ -584,7 +584,7 @@ struct htt_tx_hwq_fes_result_stats_tlv_v { struct htt_tx_hwq_tried_mpdu_cnt_hist_tlv_v { u32 hist_bin_size; /* Histogram of number of mpdus on tried mpdu */ - u32 tried_mpdu_cnt_hist[0]; /* HTT_TX_HWQ_TRIED_MPDU_CNT_HIST */ + u32 tried_mpdu_cnt_hist[]; /* HTT_TX_HWQ_TRIED_MPDU_CNT_HIST */ }; /* NOTE: Variable length TLV, use length spec to infer array size @@ -1582,7 +1582,7 @@ struct htt_pdev_stats_twt_session_tlv { struct htt_pdev_stats_twt_sessions_tlv { u32 pdev_id; u32 num_sessions; - struct htt_pdev_stats_twt_session_tlv twt_session[0]; + struct htt_pdev_stats_twt_session_tlv twt_session[]; }; enum htt_rx_reo_resource_sample_id_enum { diff --git a/drivers/net/wireless/ath/ath11k/dp.h b/drivers/net/wireless/ath/ath11k/dp.h index 6ef5be4201b2..71d387c6c925 100644 --- a/drivers/net/wireless/ath/ath11k/dp.h +++ b/drivers/net/wireless/ath/ath11k/dp.h @@ -1022,12 +1022,12 @@ struct ath11k_htt_ppdu_stats_msg { u32 ppdu_id; u32 timestamp; u32 rsvd; - u8 data[0]; + u8 data[]; } __packed; struct htt_tlv { u32 header; - u8 value[0]; + u8 value[]; } __packed; #define HTT_TLV_TAG GENMASK(11, 0) @@ -1205,7 +1205,7 @@ struct htt_ppdu_stats_usr_cmn_array { * tx_ppdu_stats_info is variable length, with length = * number_of_ppdu_stats * sizeof (struct htt_tx_ppdu_stats_info) */ - struct htt_tx_ppdu_stats_info tx_ppdu_info[0]; + struct htt_tx_ppdu_stats_info tx_ppdu_info[]; } __packed; struct htt_ppdu_user_stats { @@ -1267,7 +1267,7 @@ struct htt_ppdu_stats_info { */ struct htt_pktlog_msg { u32 hdr; - u8 payload[0]; + u8 payload[]; }; /** @@ -1487,7 +1487,7 @@ struct ath11k_htt_extd_stats_msg { u32 info0; u64 cookie; u32 info1; - u8 data[0]; + u8 data[]; } __packed; struct htt_mac_addr { diff --git a/drivers/net/wireless/ath/ath11k/hal_desc.h b/drivers/net/wireless/ath/ath11k/hal_desc.h index 5e200380cca4..a1f747c1c44d 100644 --- a/drivers/net/wireless/ath/ath11k/hal_desc.h +++ b/drivers/net/wireless/ath/ath11k/hal_desc.h @@ -477,7 +477,7 @@ enum hal_tlv_tag { struct hal_tlv_hdr { u32 tl; - u8 value[0]; + u8 value[]; } __packed; #define RX_MPDU_DESC_INFO0_MSDU_COUNT GENMASK(7, 0) @@ -1972,7 +1972,7 @@ struct hal_rx_reo_queue { u32 processed_total_bytes; u32 info5; u32 rsvd[3]; - struct hal_rx_reo_queue_ext ext_desc[0]; + struct hal_rx_reo_queue_ext ext_desc[]; } __packed; /* hal_rx_reo_queue diff --git a/drivers/net/wireless/ath/ath11k/hal_rx.h b/drivers/net/wireless/ath/ath11k/hal_rx.h index bb022c781c48..07b97fcb7c08 100644 --- a/drivers/net/wireless/ath/ath11k/hal_rx.h +++ b/drivers/net/wireless/ath/ath11k/hal_rx.h @@ -23,7 +23,7 @@ struct hal_rx_wbm_rel_info { struct hal_rx_mon_status_tlv_hdr { u32 hdr; - u8 value[0]; + u8 value[]; }; enum hal_rx_su_mu_coding { diff --git a/drivers/net/wireless/ath/ath11k/hw.h b/drivers/net/wireless/ath/ath11k/hw.h index dd39333ec0ea..7610c46c75fa 100644 --- a/drivers/net/wireless/ath/ath11k/hw.h +++ b/drivers/net/wireless/ath/ath11k/hw.h @@ -110,7 +110,7 @@ struct ath11k_hw_params { struct ath11k_fw_ie { __le32 id; __le32 len; - u8 data[0]; + u8 data[]; }; enum ath11k_bd_ie_board_type { diff --git a/drivers/net/wireless/ath/ath11k/rx_desc.h b/drivers/net/wireless/ath/ath11k/rx_desc.h index a5aff801f17f..ec2bca652923 100644 --- a/drivers/net/wireless/ath/ath11k/rx_desc.h +++ b/drivers/net/wireless/ath/ath11k/rx_desc.h @@ -1206,7 +1206,7 @@ struct hal_rx_desc { __le32 hdr_status_tag; __le32 phy_ppdu_id; u8 hdr_status[HAL_RX_DESC_HDR_STATUS_LEN]; - u8 msdu_payload[0]; + u8 msdu_payload[]; } __packed; #endif /* ATH11K_RX_DESC_H */ diff --git a/drivers/net/wireless/ath/ath11k/wmi.h b/drivers/net/wireless/ath/ath11k/wmi.h index 1fde15c762ad..3dc3a6716881 100644 --- a/drivers/net/wireless/ath/ath11k/wmi.h +++ b/drivers/net/wireless/ath/ath11k/wmi.h @@ -39,7 +39,7 @@ struct wmi_cmd_hdr { struct wmi_tlv { u32 header; - u8 value[0]; + u8 value[]; } __packed; #define WMI_TLV_LEN GENMASK(15, 0) diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h index 0d30e762c090..77e052336eb5 100644 --- a/drivers/net/wireless/ath/ath6kl/core.h +++ b/drivers/net/wireless/ath/ath6kl/core.h @@ -160,7 +160,7 @@ enum ath6kl_fw_capability { struct ath6kl_fw_ie { __le32 id; __le32 len; - u8 data[0]; + u8 data[]; }; enum ath6kl_hw_flags { @@ -406,7 +406,7 @@ struct ath6kl_mgmt_buff { u32 id; bool no_cck; size_t len; - u8 buf[0]; + u8 buf[]; }; struct ath6kl_sta { diff --git a/drivers/net/wireless/ath/ath6kl/debug.c b/drivers/net/wireless/ath/ath6kl/debug.c index 54337d60f288..7506cea46f58 100644 --- a/drivers/net/wireless/ath/ath6kl/debug.c +++ b/drivers/net/wireless/ath/ath6kl/debug.c @@ -30,7 +30,7 @@ struct ath6kl_fwlog_slot { __le32 length; /* max ATH6KL_FWLOG_PAYLOAD_SIZE bytes */ - u8 payload[0]; + u8 payload[]; }; #define ATH6KL_FWLOG_MAX_ENTRIES 20 diff --git a/drivers/net/wireless/ath/ath6kl/hif.h b/drivers/net/wireless/ath/ath6kl/hif.h index dc6bd8cd9b83..aea7fea2a81e 100644 --- a/drivers/net/wireless/ath/ath6kl/hif.h +++ b/drivers/net/wireless/ath/ath6kl/hif.h @@ -199,7 +199,7 @@ struct hif_scatter_req { u32 scat_q_depth; - struct hif_scatter_item scat_list[0]; + struct hif_scatter_item scat_list[]; }; struct ath6kl_irq_proc_registers { diff --git a/drivers/net/wireless/ath/ath6kl/wmi.h b/drivers/net/wireless/ath/ath6kl/wmi.h index 784940ba4c90..8535784af513 100644 --- a/drivers/net/wireless/ath/ath6kl/wmi.h +++ b/drivers/net/wireless/ath/ath6kl/wmi.h @@ -1637,7 +1637,7 @@ struct bss_bias { struct bss_bias_info { u8 num_bss; - struct bss_bias bss_bias[0]; + struct bss_bias bss_bias[]; } __packed; struct low_rssi_scan_params { @@ -1720,7 +1720,7 @@ struct wmi_neighbor_info { struct wmi_neighbor_report_event { u8 num_neighbors; - struct wmi_neighbor_info neighbor[0]; + struct wmi_neighbor_info neighbor[]; } __packed; /* TKIP MIC Error Event */ @@ -2051,7 +2051,7 @@ struct wmi_get_keepalive_cmd { struct wmi_set_appie_cmd { u8 mgmt_frm_type; /* enum wmi_mgmt_frame_type */ u8 ie_len; - u8 ie_info[0]; + u8 ie_info[]; } __packed; struct wmi_set_ie_cmd { @@ -2059,7 +2059,7 @@ struct wmi_set_ie_cmd { u8 ie_field; /* enum wmi_ie_field_type */ u8 ie_len; u8 reserved; - u8 ie_info[0]; + u8 ie_info[]; } __packed; /* Notify the WSC registration status to the target */ @@ -2127,7 +2127,7 @@ struct wmi_add_wow_pattern_cmd { u8 filter_list_id; u8 filter_size; u8 filter_offset; - u8 filter[0]; + u8 filter[]; } __packed; struct wmi_del_wow_pattern_cmd { @@ -2360,7 +2360,7 @@ struct wmi_send_action_cmd { __le32 freq; __le32 wait; __le16 len; - u8 data[0]; + u8 data[]; } __packed; struct wmi_send_mgmt_cmd { @@ -2369,7 +2369,7 @@ struct wmi_send_mgmt_cmd { __le32 wait; __le32 no_cck; __le16 len; - u8 data[0]; + u8 data[]; } __packed; struct wmi_tx_status_event { @@ -2389,7 +2389,7 @@ struct wmi_set_appie_extended_cmd { u8 role_id; u8 mgmt_frm_type; u8 ie_len; - u8 ie_info[0]; + u8 ie_info[]; } __packed; struct wmi_remain_on_chnl_event { @@ -2406,18 +2406,18 @@ struct wmi_cancel_remain_on_chnl_event { struct wmi_rx_action_event { __le32 freq; __le16 len; - u8 data[0]; + u8 data[]; } __packed; struct wmi_p2p_capabilities_event { __le16 len; - u8 data[0]; + u8 data[]; } __packed; struct wmi_p2p_rx_probe_req_event { __le32 freq; __le16 len; - u8 data[0]; + u8 data[]; } __packed; #define P2P_FLAG_CAPABILITIES_REQ (0x00000001) @@ -2431,7 +2431,7 @@ struct wmi_get_p2p_info { struct wmi_p2p_info_event { __le32 info_req_flags; __le16 len; - u8 data[0]; + u8 data[]; } __packed; struct wmi_p2p_capabilities { @@ -2450,7 +2450,7 @@ struct wmi_p2p_probe_response_cmd { __le32 freq; u8 destination_addr[ETH_ALEN]; __le16 len; - u8 data[0]; + u8 data[]; } __packed; /* Extended WMI (WMIX) diff --git a/drivers/net/wireless/ath/carl9170/fwcmd.h b/drivers/net/wireless/ath/carl9170/fwcmd.h index ea1d80f9a50e..56999a3b9d3b 100644 --- a/drivers/net/wireless/ath/carl9170/fwcmd.h +++ b/drivers/net/wireless/ath/carl9170/fwcmd.h @@ -127,7 +127,7 @@ struct carl9170_write_reg { struct carl9170_write_reg_byte { __le32 addr; __le32 count; - u8 val[0]; + u8 val[]; } __packed; #define CARL9170FW_PHY_HT_ENABLE 0x4 diff --git a/drivers/net/wireless/ath/carl9170/fwdesc.h b/drivers/net/wireless/ath/carl9170/fwdesc.h index 503b21abbba5..10acb6ad30d0 100644 --- a/drivers/net/wireless/ath/carl9170/fwdesc.h +++ b/drivers/net/wireless/ath/carl9170/fwdesc.h @@ -149,7 +149,7 @@ struct carl9170fw_fix_entry { struct carl9170fw_fix_desc { struct carl9170fw_desc_head head; - struct carl9170fw_fix_entry data[0]; + struct carl9170fw_fix_entry data[]; } __packed; #define CARL9170FW_FIX_DESC_SIZE \ (sizeof(struct carl9170fw_fix_desc)) diff --git a/drivers/net/wireless/ath/carl9170/hw.h b/drivers/net/wireless/ath/carl9170/hw.h index 08e0ae9c5836..555ad4975970 100644 --- a/drivers/net/wireless/ath/carl9170/hw.h +++ b/drivers/net/wireless/ath/carl9170/hw.h @@ -851,7 +851,7 @@ struct ar9170_stream { __le16 length; __le16 tag; - u8 payload[0]; + u8 payload[]; } __packed __aligned(4); #define AR9170_STREAM_LEN 4 diff --git a/drivers/net/wireless/ath/carl9170/wlan.h b/drivers/net/wireless/ath/carl9170/wlan.h index ea17995b32f4..54a6fbfc77cf 100644 --- a/drivers/net/wireless/ath/carl9170/wlan.h +++ b/drivers/net/wireless/ath/carl9170/wlan.h @@ -327,7 +327,7 @@ struct _carl9170_tx_superdesc { struct _carl9170_tx_superframe { struct _carl9170_tx_superdesc s; struct _ar9170_tx_hwdesc f; - u8 frame_data[0]; + u8 frame_data[]; } __packed __aligned(4); #define CARL9170_TX_SUPERDESC_LEN 24 diff --git a/drivers/net/wireless/ath/spectral_common.h b/drivers/net/wireless/ath/spectral_common.h index 0d742acb1599..90f08ffc911e 100644 --- a/drivers/net/wireless/ath/spectral_common.h +++ b/drivers/net/wireless/ath/spectral_common.h @@ -107,7 +107,7 @@ struct fft_sample_ath10k { u8 avgpwr_db; u8 max_exp; - u8 data[0]; + u8 data[]; } __packed; #endif /* SPECTRAL_COMMON_H */ diff --git a/drivers/net/wireless/ath/wcn36xx/hal.h b/drivers/net/wireless/ath/wcn36xx/hal.h index 6ba0fd57c951..aab5a58616fc 100644 --- a/drivers/net/wireless/ath/wcn36xx/hal.h +++ b/drivers/net/wireless/ath/wcn36xx/hal.h @@ -2240,7 +2240,7 @@ struct wcn36xx_hal_process_ptt_msg_req_msg { struct wcn36xx_hal_msg_header header; /* Actual FTM Command body */ - u8 ptt_msg[0]; + u8 ptt_msg[]; } __packed; struct wcn36xx_hal_process_ptt_msg_rsp_msg { @@ -2249,7 +2249,7 @@ struct wcn36xx_hal_process_ptt_msg_rsp_msg { /* FTM Command response status */ u32 ptt_msg_resp_status; /* Actual FTM Command body */ - u8 ptt_msg[0]; + u8 ptt_msg[]; } __packed; struct update_edca_params_req_msg { diff --git a/drivers/net/wireless/ath/wcn36xx/testmode.h b/drivers/net/wireless/ath/wcn36xx/testmode.h index 4c6cfdb46580..09d68fab9add 100644 --- a/drivers/net/wireless/ath/wcn36xx/testmode.h +++ b/drivers/net/wireless/ath/wcn36xx/testmode.h @@ -20,7 +20,7 @@ struct ftm_rsp_msg { u16 msg_id; u16 msg_body_length; u32 resp_status; - u8 msg_response[0]; + u8 msg_response[]; } __packed; /* The request buffer of FTM which contains a byte of command and the request */ diff --git a/drivers/net/wireless/ath/wil6210/fw.h b/drivers/net/wireless/ath/wil6210/fw.h index 540fa1607794..440614d61156 100644 --- a/drivers/net/wireless/ath/wil6210/fw.h +++ b/drivers/net/wireless/ath/wil6210/fw.h @@ -33,7 +33,7 @@ struct wil_fw_record_head { */ struct wil_fw_record_data { /* type == wil_fw_type_data */ __le32 addr; - __le32 data[0]; /* [data_size], see above */ + __le32 data[]; /* [data_size], see above */ } __packed; /* fill with constant @value, @size bytes starting from @addr */ @@ -61,7 +61,7 @@ struct wil_fw_record_capabilities { /* type == wil_fw_type_comment */ /* identifies capabilities record */ struct wil_fw_record_comment_hdr hdr; /* capabilities (variable size), see enum wmi_fw_capability */ - u8 capabilities[0]; + u8 capabilities[]; } __packed; /* FW VIF concurrency encoded inside a comment record @@ -80,7 +80,7 @@ struct wil_fw_concurrency_combo { u8 n_diff_channels; /* total number of different channels allowed */ u8 same_bi; /* for APs, 1 if all APs must have same BI */ /* keep last - concurrency limits, variable size by n_limits */ - struct wil_fw_concurrency_limit limits[0]; + struct wil_fw_concurrency_limit limits[]; } __packed; struct wil_fw_record_concurrency { /* type == wil_fw_type_comment */ @@ -93,7 +93,7 @@ struct wil_fw_record_concurrency { /* type == wil_fw_type_comment */ /* number of concurrency combinations that follow */ __le16 n_combos; /* keep last - combinations, variable size by n_combos */ - struct wil_fw_concurrency_combo combos[0]; + struct wil_fw_concurrency_combo combos[]; } __packed; /* brd file info encoded inside a comment record */ @@ -108,7 +108,7 @@ struct wil_fw_record_brd_file { /* type == wil_fw_type_comment */ /* identifies brd file record */ struct wil_fw_record_comment_hdr hdr; __le32 version; - struct brd_info brd_info[0]; + struct brd_info brd_info[]; } __packed; /* perform action @@ -116,7 +116,7 @@ struct wil_fw_record_brd_file { /* type == wil_fw_type_comment */ */ struct wil_fw_record_action { /* type == wil_fw_type_action */ __le32 action; /* action to perform: reset, wait for fw ready etc. */ - __le32 data[0]; /* action specific, [data_size], see above */ + __le32 data[]; /* action specific, [data_size], see above */ } __packed; /* data block for struct wil_fw_record_direct_write */ @@ -179,7 +179,7 @@ struct wil_fw_record_gateway_data { /* type == wil_fw_type_gateway_data */ #define WIL_FW_GW_CTL_BUSY BIT(29) /* gateway busy performing operation */ #define WIL_FW_GW_CTL_RUN BIT(30) /* start gateway operation */ __le32 command; - struct wil_fw_data_gw data[0]; /* total size [data_size], see above */ + struct wil_fw_data_gw data[]; /* total size [data_size], see above */ } __packed; /* 4-dword gateway */ @@ -201,7 +201,7 @@ struct wil_fw_record_gateway_data4 { /* type == wil_fw_type_gateway_data4 */ __le32 gateway_cmd_addr; __le32 gateway_ctrl_address; /* same logic as for 1-dword gw */ __le32 command; - struct wil_fw_data_gw4 data[0]; /* total size [data_size], see above */ + struct wil_fw_data_gw4 data[]; /* total size [data_size], see above */ } __packed; #endif /* __WIL_FW_H__ */ diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index 23e1ed6a9d6d..c7136ce567ee 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -222,7 +222,7 @@ struct auth_no_hdr { __le16 auth_transaction; __le16 status_code; /* possibly followed by Challenge text */ - u8 variable[0]; + u8 variable[]; } __packed; u8 led_polarity = LED_POLARITY_LOW_ACTIVE; diff --git a/drivers/net/wireless/ath/wil6210/wmi.h b/drivers/net/wireless/ath/wil6210/wmi.h index e3558136e0c4..9affa4525609 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.h +++ b/drivers/net/wireless/ath/wil6210/wmi.h @@ -474,7 +474,7 @@ struct wmi_start_scan_cmd { struct { u8 channel; u8 reserved; - } channel_list[0]; + } channel_list[]; } __packed; #define WMI_MAX_PNO_SSID_NUM (16) @@ -530,7 +530,7 @@ struct wmi_update_ft_ies_cmd { /* Length of the FT IEs */ __le16 ie_len; u8 reserved[2]; - u8 ie_info[0]; + u8 ie_info[]; } __packed; /* WMI_SET_PROBED_SSID_CMDID */ @@ -575,7 +575,7 @@ struct wmi_set_appie_cmd { u8 reserved; /* Length of the IE to be added to MGMT frame */ __le16 ie_len; - u8 ie_info[0]; + u8 ie_info[]; } __packed; /* WMI_PXMT_RANGE_CFG_CMDID */ @@ -850,7 +850,7 @@ struct wmi_pcp_start_cmd { struct wmi_sw_tx_req_cmd { u8 dst_mac[WMI_MAC_LEN]; __le16 len; - u8 payload[0]; + u8 payload[]; } __packed; /* WMI_SW_TX_REQ_EXT_CMDID */ @@ -861,7 +861,7 @@ struct wmi_sw_tx_req_ext_cmd { /* Channel to use, 0xFF for currently active channel */ u8 channel; u8 reserved[5]; - u8 payload[0]; + u8 payload[]; } __packed; /* WMI_VRING_SWITCH_TIMING_CONFIG_CMDID */ @@ -1423,7 +1423,7 @@ struct wmi_rf_xpm_write_cmd { u8 verify; u8 reserved1[3]; /* actual size=num_bytes */ - u8 data_bytes[0]; + u8 data_bytes[]; } __packed; /* Possible modes for temperature measurement */ @@ -1572,7 +1572,7 @@ struct wmi_tof_session_start_cmd { u8 aoa_type; __le16 num_of_dest; u8 reserved[4]; - struct wmi_ftm_dest_info ftm_dest_info[0]; + struct wmi_ftm_dest_info ftm_dest_info[]; } __packed; /* WMI_TOF_CFG_RESPONDER_CMDID */ @@ -1766,7 +1766,7 @@ struct wmi_internal_fw_ioctl_cmd { /* payload max size is WMI_MAX_IOCTL_PAYLOAD_SIZE * Must be the last member of the struct */ - __le32 payload[0]; + __le32 payload[]; } __packed; /* WMI_INTERNAL_FW_IOCTL_EVENTID */ @@ -1778,7 +1778,7 @@ struct wmi_internal_fw_ioctl_event { /* payload max size is WMI_MAX_IOCTL_REPLY_PAYLOAD_SIZE * Must be the last member of the struct */ - __le32 payload[0]; + __le32 payload[]; } __packed; /* WMI_INTERNAL_FW_EVENT_EVENTID */ @@ -1788,7 +1788,7 @@ struct wmi_internal_fw_event_event { /* payload max size is WMI_MAX_INTERNAL_EVENT_PAYLOAD_SIZE * Must be the last member of the struct */ - __le32 payload[0]; + __le32 payload[]; } __packed; /* WMI_SET_VRING_PRIORITY_WEIGHT_CMDID */ @@ -1818,7 +1818,7 @@ struct wmi_set_vring_priority_cmd { */ u8 num_of_vrings; u8 reserved[3]; - struct wmi_vring_priority vring_priority[0]; + struct wmi_vring_priority vring_priority[]; } __packed; /* WMI_BF_CONTROL_CMDID - deprecated */ @@ -1910,7 +1910,7 @@ struct wmi_bf_control_ex_cmd { u8 each_mcs_cfg_size; u8 reserved1; /* Configuration for each MCS */ - struct wmi_bf_control_ex_mcs each_mcs_cfg[0]; + struct wmi_bf_control_ex_mcs each_mcs_cfg[]; } __packed; /* WMI_LINK_STATS_CMD */ @@ -2192,7 +2192,7 @@ struct wmi_fw_ver_event { /* FW capabilities info * Must be the last member of the struct */ - __le32 fw_capabilities[0]; + __le32 fw_capabilities[]; } __packed; /* WMI_GET_RF_STATUS_EVENTID */ @@ -2270,7 +2270,7 @@ struct wmi_mac_addr_resp_event { struct wmi_eapol_rx_event { u8 src_mac[WMI_MAC_LEN]; __le16 eapol_len; - u8 eapol[0]; + u8 eapol[]; } __packed; /* WMI_READY_EVENTID */ @@ -2343,7 +2343,7 @@ struct wmi_connect_event { u8 aid; u8 reserved2[2]; /* not in use */ - u8 assoc_info[0]; + u8 assoc_info[]; } __packed; /* disconnect_reason */ @@ -2376,7 +2376,7 @@ struct wmi_disconnect_event { /* last assoc req may passed to host - not in used */ u8 assoc_resp_len; /* last assoc req may passed to host - not in used */ - u8 assoc_info[0]; + u8 assoc_info[]; } __packed; /* WMI_SCAN_COMPLETE_EVENTID */ @@ -2400,7 +2400,7 @@ struct wmi_ft_auth_status_event { u8 reserved[3]; u8 mac_addr[WMI_MAC_LEN]; __le16 ie_len; - u8 ie_info[0]; + u8 ie_info[]; } __packed; /* WMI_FT_REASSOC_STATUS_EVENTID */ @@ -2418,7 +2418,7 @@ struct wmi_ft_reassoc_status_event { __le16 reassoc_req_ie_len; __le16 reassoc_resp_ie_len; u8 reserved[4]; - u8 ie_info[0]; + u8 ie_info[]; } __packed; /* wmi_rx_mgmt_info */ @@ -2461,7 +2461,7 @@ struct wmi_stop_sched_scan_event { struct wmi_sched_scan_result_event { struct wmi_rx_mgmt_info info; - u8 payload[0]; + u8 payload[]; } __packed; /* WMI_ACS_PASSIVE_SCAN_COMPLETE_EVENT */ @@ -2492,7 +2492,7 @@ struct wmi_acs_passive_scan_complete_event { __le16 filled; u8 num_scanned_channels; u8 reserved; - struct scan_acs_info scan_info_list[0]; + struct scan_acs_info scan_info_list[]; } __packed; /* WMI_BA_STATUS_EVENTID */ @@ -2751,7 +2751,7 @@ struct wmi_rf_xpm_read_result_event { u8 status; u8 reserved[3]; /* requested num_bytes of data */ - u8 data_bytes[0]; + u8 data_bytes[]; } __packed; /* EVENT: WMI_RF_XPM_WRITE_RESULT_EVENTID */ @@ -2769,7 +2769,7 @@ struct wmi_tx_mgmt_packet_event { /* WMI_RX_MGMT_PACKET_EVENTID */ struct wmi_rx_mgmt_packet_event { struct wmi_rx_mgmt_info info; - u8 payload[0]; + u8 payload[]; } __packed; /* WMI_ECHO_RSP_EVENTID */ @@ -2969,7 +2969,7 @@ struct wmi_rs_cfg_ex_cmd { u8 each_mcs_cfg_size; u8 reserved[3]; /* Configuration for each MCS */ - struct wmi_rs_cfg_ex_mcs each_mcs_cfg[0]; + struct wmi_rs_cfg_ex_mcs each_mcs_cfg[]; } __packed; /* WMI_RS_CFG_EX_EVENTID */ @@ -3178,7 +3178,7 @@ struct wmi_get_detailed_rs_res_ex_event { u8 each_mcs_results_size; u8 reserved1[3]; /* Results for each MCS */ - struct wmi_rs_results_ex_mcs each_mcs_results[0]; + struct wmi_rs_results_ex_mcs each_mcs_results[]; } __packed; /* BRP antenna limit mode */ @@ -3320,7 +3320,7 @@ struct wmi_set_link_monitor_cmd { u8 rssi_hyst; u8 reserved[12]; u8 rssi_thresholds_list_size; - s8 rssi_thresholds_list[0]; + s8 rssi_thresholds_list[]; } __packed; /* wmi_link_monitor_event_type */ @@ -3637,7 +3637,7 @@ struct wmi_tof_ftm_per_dest_res_event { /* Measurments are from RFs, defined by the mask */ __le32 meas_rf_mask; u8 reserved0[3]; - struct wmi_responder_ftm_res responder_ftm_res[0]; + struct wmi_responder_ftm_res responder_ftm_res[]; } __packed; /* WMI_TOF_CFG_RESPONDER_EVENTID */ @@ -3669,7 +3669,7 @@ struct wmi_tof_channel_info_event { /* data report length */ u8 len; /* data report payload */ - u8 report[0]; + u8 report[]; } __packed; /* WMI_TOF_SET_TX_RX_OFFSET_EVENTID */ @@ -4085,7 +4085,7 @@ struct wmi_link_stats_event { u8 has_next; u8 reserved[5]; /* a stream of wmi_link_stats_record_s */ - u8 payload[0]; + u8 payload[]; } __packed; /* WMI_LINK_STATS_EVENT */ @@ -4094,7 +4094,7 @@ struct wmi_link_stats_record { u8 record_type_id; u8 reserved; __le16 record_size; - u8 record[0]; + u8 record[]; } __packed; /* WMI_LINK_STATS_TYPE_BASIC */