wifi: rtlwifi: cleanup few rtlxxx_tx_fill_desc() routines

Commit Message

Dmitry Antipov Jan. 9, 2024, 10:47 a.m. UTC

Remove unreachable branches in 'rtl92ce_tx_fill_desc()',
'rtl92cu_tx_fill_desc()' and 'rtl8723e_tx_fill_desc()'.
Compile tested only.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: Dmitry Antipov <[e-mail]>
---
 drivers/net/wireless/realtek/rtlwifi/rtl8192ce/trx.c | 4 ----
 drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c | 3 ---
 drivers/net/wireless/realtek/rtlwifi/rtl8723ae/trx.c | 6 +-----
 3 files changed, 1 insertion(+), 12 deletions(-)

Comments

Kalle Valo Jan. 12, 2024, 5:11 p.m. UTC | #1

Dmitry Antipov <[e-mail]> wrote:

> Remove unreachable branches in 'rtl92ce_tx_fill_desc()',
> 'rtl92cu_tx_fill_desc()' and 'rtl8723e_tx_fill_desc()'.
> Compile tested only.
> 
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
> 
> Signed-off-by: Dmitry Antipov <[e-mail]>

Patch applied to wireless-next.git, thanks.

0ac008b6357f wifi: rtlwifi: cleanup few rtlxxx_tx_fill_desc() routines

Patch

diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/trx.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/trx.c
index 50e139186a93..ed151754fc6e 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/trx.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/trx.c
@@ -350,7 +350,6 @@  void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw,
 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
-	bool defaultadapter = true;
 	__le32 *pdesc = (__le32 *)pdesc8;
 	u16 seq_number;
 	__le16 fc = hdr->frame_control;
@@ -503,9 +502,6 @@  void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw,
 	if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
 		set_tx_desc_hwseq_en(pdesc, 1);
 		set_tx_desc_pkt_id(pdesc, 8);
-
-		if (!defaultadapter)
-			set_tx_desc_qos(pdesc, 1);
 	}
 
 	set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1));
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c
index 2f44c8aa6066..e5c81c1c63c0 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c
@@ -475,7 +475,6 @@  void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw,
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
-	bool defaultadapter = true;
 	u8 *qc = ieee80211_get_qos_ctl(hdr);
 	u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
 	u16 seq_number;
@@ -587,8 +586,6 @@  void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw,
 	      ppsc->fwctrl_lps) {
 		set_tx_desc_hwseq_en(txdesc, 1);
 		set_tx_desc_pkt_id(txdesc, 8);
-		if (!defaultadapter)
-			set_tx_desc_qos(txdesc, 1);
 	}
 	if (ieee80211_has_morefrags(fc))
 		set_tx_desc_more_frag(txdesc, 1);
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/trx.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/trx.c
index d9823ddab7be..65bfc14702f4 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/trx.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/trx.c
@@ -349,7 +349,6 @@  void rtl8723e_tx_fill_desc(struct ieee80211_hw *hw,
 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
-	bool b_defaultadapter = true;
 	/* bool b_trigger_ac = false; */
 	u8 *pdesc8 = (u8 *)pdesc_tx;
 	__le32 *pdesc = (__le32 *)pdesc8;
@@ -503,10 +502,7 @@  void rtl8723e_tx_fill_desc(struct ieee80211_hw *hw,
 		set_tx_desc_hwseq_en_8723(pdesc, 1);
 		/* set_tx_desc_hwseq_en(pdesc, 1); */
 		/* set_tx_desc_pkt_id(pdesc, 8); */
-
-		if (!b_defaultadapter)
-			set_tx_desc_hwseq_sel_8723(pdesc, 1);
-	/* set_tx_desc_qos(pdesc, 1); */
+		/* set_tx_desc_qos(pdesc, 1); */
 	}
 
 	set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1));