| Message ID | 20241025075554.181572-1-hanchunchao@inspur.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | wifi: mt76: mt7925: fix NULL deref check in mt7925_change_vif_links | expand |
diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/main.c b/drivers/net/wireless/mediatek/mt76/mt7925/main.c index 791c8b00e112..a5110f8485e5 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7925/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7925/main.c @@ -1946,6 +1946,8 @@ 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) + return -ENOMEM; } mconfs[link_id] = mconf;
In mt7925_change_vif_links() devm_kzalloc() may return NULL but this returned value is not checked. Fixes: 69acd6d910b0 ("wifi: mt76: mt7925: add mt7925_change_vif_links") Signed-off-by: Charles Han <hanchunchao@inspur.com> --- drivers/net/wireless/mediatek/mt76/mt7925/main.c | 2 ++ 1 file changed, 2 insertions(+)