ath9k: remove redundant status variable

Return value directly instead of taking this in another redundant
variable.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Signed-off-by: CGEL ZTE <cgel.zte@gmail.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220112080751.667316-1-chi.minghao@zte.com.cn

drivers/net/wireless/ath/ath9k/eeprom.c

@@ -670,8 +670,6 @@ void ath9k_hw_get_gain_boundaries_pdadcs(struct ath_hw *ah,
 
 int ath9k_hw_eeprom_init(struct ath_hw *ah)
 {
-	int status;
-
 	if (AR_SREV_9300_20_OR_LATER(ah))
 		ah->eep_ops = &eep_ar9300_ops;
 	else if (AR_SREV_9287(ah)) {
@@ -685,7 +683,5 @@ int ath9k_hw_eeprom_init(struct ath_hw *ah)
 	if (!ah->eep_ops->fill_eeprom(ah))
 		return -EIO;
 
-	status = ah->eep_ops->check_eeprom(ah);
-
-	return status;
+	return ah->eep_ops->check_eeprom(ah);
 }