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mt76: mt7915: fix possible NULL pointer dereference in mt7915_register_ext_phy

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Fix a NULL pointer dereference in mt7915_register_ext_phy since phy
data structure is allocated by mt76_alloc_phy routine

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2020-05-22 14:42:27 +02:00
committed by Felix Fietkau
parent 5396a61cec
commit 466a5b4d04
1 changed files with 2 additions and 1 deletions
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mt7915/init.c
+2 -1
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@@ -592,7 +592,6 @@ int mt7915_register_ext_phy(struct mt7915_dev *dev)
if (phy)
return 0;
INIT_DELAYED_WORK(&phy->mac_work, mt7915_mac_work);
mt7915_cap_dbdc_enable(dev);
mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &mt7915_ops);
if (!mphy)
@@ -605,6 +604,8 @@ int mt7915_register_ext_phy(struct mt7915_dev *dev)
mphy->antenna_mask = BIT(hweight8(phy->chainmask)) - 1;
mt7915_init_wiphy(mphy->hw);
INIT_DELAYED_WORK(&phy->mac_work, mt7915_mac_work);
/*
* Make the secondary PHY MAC address local without overlapping with
* the usual MAC address allocation scheme on multiple virtual interfaces