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authorCharles Han <hanchunchao@inspur.com>2024-10-25 15:55:54 +0800
committerFelix Fietkau <nbd@nbd.name>2025-01-14 13:34:34 +0100
commit5cd0bd815c8a48862a296df9b30e0ea0da14acd3 (patch)
tree497d03f45f4d914c2c7fa84ae0d306c8db8fd447
parentwifi: mt76: introduce mt792x_config_mac_addr_list routine (diff)
downloadlinux-5cd0bd815c8a48862a296df9b30e0ea0da14acd3.tar.gz
linux-5cd0bd815c8a48862a296df9b30e0ea0da14acd3.zip
wifi: mt76: mt7925: fix NULL deref check in mt7925_change_vif_links
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>
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7925/main.c2
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;