[PATCH 6.4 112/800] wifi: rtw89: fix rtw89_read_chip_ver() for RTL8852B and RTL8851B

Greg Kroah-Hartman
2023-07-16T19:59:54Z

From: Dan Carpenter <dan.carpenter@linaro.org>

[ Upstream commit 9d4f491b860ea6d04471c3342093b86a46eee63e ]

The if statement is reversed so it will not record the chip version.
This was detected using Smatch:

drivers/net/wireless/realtek/rtw89/core.c:3593 rtw89_read_chip_ver()
error: uninitialized symbol 'val'.

Fixes: a6fb2bb84654 ("wifi: rtw89: read version of analog hardware")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/e4d912a2-37f8-4068-8861-7b9494ae731b@kili.mountain
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/wireless/realtek/rtw89/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c
index bad864d56bd5c..5423f8ae187f1 100644
--- a/drivers/net/wireless/realtek/rtw89/core.c
+++ b/drivers/net/wireless/realtek/rtw89/core.c
@@ -3584,7 +3584,7 @@ static void rtw89_read_chip_ver(struct rtw89_dev *rtwdev)

if (chip->chip_id == RTL8852B || chip->chip_id == RTL8851B) {
ret = rtw89_mac_read_xtal_si(rtwdev, XTAL_SI_CV, &val);
- if (!ret)
+ if (ret)
return;

rtwdev->hal.acv = u8_get_bits(val, XTAL_SI_ACV_MASK);
--
2.39.2