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wifi: mt76: mt7925: fix locking in mt7925_change_vif_links()

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&dev->mt76.mutex lock is taken using mt792x_mutex_acquire(dev) but not
released in one of the error paths, add the unlock to fix it.

Fixes: 5cd0bd815c8a ("wifi: mt76: mt7925: fix NULL deref check in mt7925_change_vif_links")
Reported-by: kernel test robot <[email protected]>
Reported-by: Dan Carpenter <[email protected]>
Closes: https://lore.kernel.org/r/[email protected]/
Signed-off-by: Harshit Mogalapalli <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Harshit Mogalapalli
2025-08-04 18:19:26 +02:00
committed by Felix Fietkau
parent 1de707e73f
commit fce683dbcf
1 changed files with 3 additions and 1 deletions
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mt7925/main.c
+3 -1
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@@ -2067,8 +2067,10 @@ mt7925_change_vif_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
GFP_KERNEL);
mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink),
GFP_KERNEL);
if (!mconf || !mlink)
if (!mconf || !mlink) {
mt792x_mutex_release(dev);
return -ENOMEM;
}
}
mconfs[link_id] = mconf;