For normal (successful) flow, it must return 0. The original code uses 'return ret', and then we need to backward reference to initial value to know 'ret = 0'. Changing them to 'return 0', because it will be more readable and intuitive. This patch doesn't change logic at all. Reported-by: kernel test robot <lkp@xxxxxxxxx> Reported-by: Dan Carpenter <error27@xxxxxxxxx> Link: https://lore.kernel.org/r/202302101023.ctlih5q0-lkp@xxxxxxxxx/ Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx> --- drivers/net/wireless/realtek/rtw89/mac.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c index 5ab0590485e0d..60dd2287515fe 100644 --- a/drivers/net/wireless/realtek/rtw89/mac.c +++ b/drivers/net/wireless/realtek/rtw89/mac.c @@ -4512,7 +4512,7 @@ EXPORT_SYMBOL(rtw89_mac_get_txpwr_cr); int rtw89_mac_cfg_ppdu_status(struct rtw89_dev *rtwdev, u8 mac_idx, bool enable) { u32 reg = rtw89_mac_reg_by_idx(R_AX_PPDU_STAT, mac_idx); - int ret = 0; + int ret; ret = rtw89_mac_check_mac_en(rtwdev, mac_idx, RTW89_CMAC_SEL); if (ret) @@ -4520,7 +4520,7 @@ int rtw89_mac_cfg_ppdu_status(struct rtw89_dev *rtwdev, u8 mac_idx, bool enable) if (!enable) { rtw89_write32_clr(rtwdev, reg, B_AX_PPDU_STAT_RPT_EN); - return ret; + return 0; } rtw89_write32(rtwdev, reg, B_AX_PPDU_STAT_RPT_EN | @@ -4530,7 +4530,7 @@ int rtw89_mac_cfg_ppdu_status(struct rtw89_dev *rtwdev, u8 mac_idx, bool enable) rtw89_write32_mask(rtwdev, R_AX_HW_RPT_FWD, B_AX_FWD_PPDU_STAT_MASK, RTW89_PRPT_DEST_HOST); - return ret; + return 0; } EXPORT_SYMBOL(rtw89_mac_cfg_ppdu_status); -- 2.25.1