* [PATCH] mt76: mt7615: check return value of mt7615_eeprom_get_power_index
@ 2020-05-01 23:16 Lorenzo Bianconi
0 siblings, 0 replies; only message in thread
From: Lorenzo Bianconi @ 2020-05-01 23:16 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, lorenzo.bianconi, sean.wang, linux-mediatek
mt7615_eeprom_get_power_index can return negative error value.
Check mt7615_eeprom_get_power_index return value before using it
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
drivers/net/wireless/mediatek/mt76/mt7615/init.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
index 81294bb2b06b..d831d647d237 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
@@ -247,6 +247,9 @@ void mt7615_init_txpower(struct mt7615_dev *dev,
int index;
index = mt7615_eeprom_get_power_index(dev, chan, j);
+ if (index < 0)
+ continue;
+
target_power = max(target_power, eep[index]);
}
--
2.25.4
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