wifi: mac80211: fix memory leak in ieee80211_if_add()

When register_netdevice() failed in ieee80211_if_add(), ndev->tstats isn't released. Fix it. Fixes: 5a49051 ("mac80211: use per-CPU TX/RX statistics") Signed-off-by: Zhengchao Shao <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Johannes Berg <[email protected]>
matthewtgilbride · Dec 1, 2022 · 13e5afd · 13e5afd
1 parent 5cc58b3
commit 13e5afd
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
@@ -2195,6 +2195,7 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
 
 		ret = cfg80211_register_netdevice(ndev);
 		if (ret) {
+			ieee80211_if_free(ndev);
 			free_netdev(ndev);
 			return ret;
 		}