From: Íñigo Huguet Date: Thu, 13 Jan 2022 09:42:53 +0000 (+0100) Subject: rtw89: fix maybe uninitialized `qempty` variable X-Git-Tag: v5.18-rc1~136^2~372^2~51 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=89e4a00ff3c0352fff27351058a25b39db30ede2;p=thirdparty%2Flinux.git rtw89: fix maybe uninitialized `qempty` variable Call to dle_dfi_qempty might fail, leaving qempty.qempty untouched, which is latter used to control the for loop. If that happens, it's not initialized anywhere. Initialize it so the loop doesn't iterate unless it's modified by the call to dle_dfi_qempty. Signed-off-by: Íñigo Huguet Acked-by: Ping-Ke Shih Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20220113094253.73370-1-ihuguet@redhat.com --- diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c index 0a006f3c3742d..2e95d9007c41d 100644 --- a/drivers/net/wireless/realtek/rtw89/mac.c +++ b/drivers/net/wireless/realtek/rtw89/mac.c @@ -172,6 +172,7 @@ static void rtw89_mac_dump_qta_lost(struct rtw89_dev *rtwdev) qempty.dle_type = DLE_CTRL_TYPE_PLE; qempty.grpsel = 0; + qempty.qempty = ~(u32)0; ret = dle_dfi_qempty(rtwdev, &qempty); if (ret) rtw89_warn(rtwdev, "%s: query DLE fail\n", __func__);