linux-kernel - [PATCH v2] mac80211: fix memory leak

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Date:	Tue,  2 Feb 2016 13:21:14 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Johannes Berg <johannes@...solutions.net>,
	"David S. Miller" <davem@...emloft.net>
Cc:	linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
	Julian Calaby <julian.calaby@...il.com>,
	Kalle Valo <kvalo@...eaurora.org>
Subject: [PATCH v2] mac80211: fix memory leak

From: Sudip Mukherjee <sudip@...torindia.org>

On error we jumped to the error label and returned the error code but we
missed releasing sinfo.

Fixes: 5fe74014172d ("mac80211: avoid excessive stack usage in sta_info")
Reviewed-by: Julian Calaby <julian.calaby@...il.com>
Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
---

v2: added Fixes tag, Reviewed-by and From:.

 net/mac80211/sta_info.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 6c198e6..36e75c4 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -561,6 +561,7 @@ static int sta_info_insert_finish(struct sta_info *sta) __acquires(RCU)
 	__cleanup_single_sta(sta);
  out_err:
 	mutex_unlock(&local->sta_mtx);
+	kfree(sinfo);
 	rcu_read_lock();
 	return err;
 }
-- 
1.9.1