From 13e5afd3d773c6fc6ca2b89027befaaaa1ea7293 Mon Sep 17 00:00:00 2001
From: Zhengchao Shao <shaozhengchao@huawei.com>
Date: Thu, 17 Nov 2022 14:45:00 +0800
Subject: [PATCH] wifi: mac80211: fix memory leak in ieee80211_if_add()
Git-commit: 13e5afd3d773c6fc6ca2b89027befaaaa1ea7293
Patch-mainline: v6.2-rc1
References: git-fixes
When register_netdevice() failed in ieee80211_if_add(), ndev->tstats
isn't released. Fix it.
Fixes: 5a490510ba5f ("mac80211: use per-CPU TX/RX statistics")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Link: https://lore.kernel.org/r/20221117064500.319983-1-shaozhengchao@huawei.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
net/mac80211/iface.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 7c4ce716c939..a5782927a93b 100644
--- 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;
}
--
2.35.3