| Message ID | 20220202070906.GA274379@embeddedor (mailing list archive) |
|---|---|
| State | Mainlined |
| Commit | b47f6db34c296343a22c9db4ebdcc51d92301dbe |
| Headers | show |
| Series | [v3,next] staging: r8188eu: Silence out-of-bounds warning in HT_caps_handler() | expand |
On Wed, Feb 02, 2022 at 01:09:06AM -0600, Gustavo A. R. Silva wrote: > Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com> > Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Thanks! regards, dan carpenter
diff --git a/drivers/staging/r8188eu/include/wlan_bssdef.h b/drivers/staging/r8188eu/include/wlan_bssdef.h index 99ca097b8edd..9d1c9e763287 100644 --- a/drivers/staging/r8188eu/include/wlan_bssdef.h +++ b/drivers/staging/r8188eu/include/wlan_bssdef.h @@ -61,7 +61,7 @@ struct ndis_802_11_fixed_ie { struct ndis_802_11_var_ie { u8 ElementID; u8 Length; - u8 data[1]; + u8 data[]; }; /*
Silence the following out-of-bounds warning (caught with -Warray-bounds=2): drivers/staging/r8188eu/core/rtw_wlan_util.c: In function ‘HT_caps_handler’: drivers/staging/r8188eu/core/rtw_wlan_util.c:719:54: error: array subscript 2 is above array bounds of ‘u8[1]’ {aka ‘unsigned char[1]’} [-Werror=array-bounds] 719 | pIE->data[i] & 0x3); | ~~~~~~~~~^~~ ./include/linux/minmax.h:32:39: note: in definition of macro ‘__cmp_once’ 32 | typeof(y) unique_y = (y); \ | ^ ./include/linux/minmax.h:45:25: note: in expansion of macro ‘__careful_cmp’ 45 | #define min(x, y) __careful_cmp(x, y, <) | ^~~~~~~~~~~~~ drivers/staging/r8188eu/core/rtw_wlan_util.c:718:41: note: in expansion of macro ‘min’ 718 | max_AMPDU_len = min(pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3, | ^~~ In file included from drivers/staging/r8188eu/core/../include/drv_types.h:16, from drivers/staging/r8188eu/core/rtw_wlan_util.c:7: drivers/staging/r8188eu/core/../include/wlan_bssdef.h:64:13: note: while referencing ‘data’ 64 | u8 data[1]; | ^~~~ by transforming one-element array into a flexible-array member in struct ndis_802_11_var_ie This is part of the ongoing efforts to globally enable -Warray-bounds. Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> --- Changes in v3: - Change subject line and changelog text. - Add RB tag. Changes in v2: - Fix subject line. drivers/staging/r8188eu/include/wlan_bssdef.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)