From 8f22757ee84da64d4f662f1dd03dae95358a1efe Mon Sep 17 00:00:00 2001 From: Dave Jones Date: Sat, 11 Mar 2006 18:49:13 -0800 Subject: [PATCH] [TUN]: Fix leak in tun_get_user() We're leaking an skb in a failure path in this function. Coverity #632 Signed-off-by: Dave Jones Signed-off-by: David S. Miller --- drivers/net/tun.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 50b8c6754b1e..a1ed2d983740 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -249,8 +249,11 @@ static __inline__ ssize_t tun_get_user(struct tun_struct *tun, struct iovec *iv, if (align) skb_reserve(skb, align); - if (memcpy_fromiovec(skb_put(skb, len), iv, len)) + if (memcpy_fromiovec(skb_put(skb, len), iv, len)) { + tun->stats.rx_dropped++; + kfree_skb(skb); return -EFAULT; + } skb->dev = tun->dev; switch (tun->flags & TUN_TYPE_MASK) { -- GitLab