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mt76: mt7615: check return value of mt7615_eeprom_get_power_index

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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>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi 2020-05-02 01:16:10 +02:00 committed by Felix Fietkau
parent eb7bd8d7fb
commit cc5f58aee1
1 changed files with 3 additions and 0 deletions
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3
drivers/net/wireless/mediatek/mt76/mt7615/init.c
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@ -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]);
}