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| author | Charles Han <hanchunchao@inspur.com> | 2024-10-25 15:55:54 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-02-08 10:01:19 +0100 |
| commit | 2f709fe755c16b811ba7339ae4c3ee2c72323d3d (patch) | |
| tree | ead39ca4ecb5f02dc2b72da7dc974dfa367d8669 /drivers/net/wireless/mediatek/mt76/mt7925 | |
| parent | 8e8f4cf9a394f842b6f833e1f7eab030ec99c458 (diff) | |
| download | linux-2f709fe755c16b811ba7339ae4c3ee2c72323d3d.tar.gz linux-2f709fe755c16b811ba7339ae4c3ee2c72323d3d.tar.bz2 linux-2f709fe755c16b811ba7339ae4c3ee2c72323d3d.zip | |
wifi: mt76: mt7925: fix NULL deref check in mt7925_change_vif_links
[ Upstream commit 5cd0bd815c8a48862a296df9b30e0ea0da14acd3 ]
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>
Link: https://patch.msgid.link/20241025075554.181572-1-hanchunchao@inspur.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7925')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7925/main.c | 2 |
1 files changed, 2 insertions, 0 deletions
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; |