From: Ping-Ke Shih Date: Fri, 16 Feb 2024 03:39:49 +0000 (+0800) Subject: wifi: rtlwifi: set initial values for unexpected cases of USB endpoint priority X-Git-Tag: block-6.9-20240315~27^2~201^2~3 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=9208e85c62720608aa6ec6e4265b584a48fb43b0;p=linux-2.6-block.git wifi: rtlwifi: set initial values for unexpected cases of USB endpoint priority Map USB endpoints to hardware and AC queues according to number of USB endpoints. However, original only give a warning for unexpected cases but initial values are not given. Then, smatch warns: drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c:642 _rtl92cu_init_chipn_two_out_ep_priority() error: uninitialized symbol 'valuelow'. drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c:644 _rtl92cu_init_chipn_two_out_ep_priority() error: uninitialized symbol 'valuehi'. drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c:649 _rtl92cu_init_chipn_two_out_ep_priority() error: uninitialized symbol 'valuehi'. drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c:650 _rtl92cu_init_chipn_two_out_ep_priority() error: uninitialized symbol 'valuelow'. The regular selection is high and low queues, so move default (unexpected) case along with that. Compile tested only. Signed-off-by: Ping-Ke Shih Signed-off-by: Kalle Valo Link: https://msgid.link/20240216033949.34765-1-pkshih@realtek.com --- diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c index 5ec0eb8773a5..4217c9a08d01 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c @@ -622,6 +622,9 @@ static void _rtl92cu_init_chipn_two_out_ep_priority(struct ieee80211_hw *hw, u16 valuelow; switch (queue_sel) { + default: + WARN_ON(1); + fallthrough; case (TX_SELE_HQ | TX_SELE_LQ): valuehi = QUEUE_HIGH; valuelow = QUEUE_LOW; @@ -634,9 +637,6 @@ static void _rtl92cu_init_chipn_two_out_ep_priority(struct ieee80211_hw *hw, valuehi = QUEUE_HIGH; valuelow = QUEUE_NORMAL; break; - default: - WARN_ON(1); - break; } if (!wmm_enable) { beq = valuelow;