Currently, data variable in ar9003_hw_thermo_cal_apply() could be
uninitialized if ar9300_otp_read_word() will fail to read the value.
Initialize data variable with 0 to prevent an undefined behavior. This
will be enough to handle error case when ar9300_otp_read_word() fails.
Fixes: 80fe43f2bbd5 ("ath9k_hw: Read and configure thermocal for AR9462")
Cc: Rajkumar Manoharan <rmano...@qca.qualcomm.com>
Cc: John W. Linville <linvi...@tuxdriver.com>
Cc: Kalle Valo <kv...@codeaurora.org>
Cc: "David S. Miller" <da...@davemloft.net>
Cc: sta...@vger.kernel.org
Signed-off-by: Denis Efremov <efre...@linux.com>
---
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 2b29bf4730f6..b4885a700296 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -4183,7 +4183,7 @@ static void ar9003_hw_thermometer_apply(struct ath_hw *ah)
static void ar9003_hw_thermo_cal_apply(struct ath_hw *ah)
{
- u32 data, ko, kg;
+ u32 data = 0, ko, kg;
if (!AR_SREV_9462_20_OR_LATER(ah))
return;
--
2.21.0
