[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 <davej@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 50b8c67..a1ed2d9 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -249,8 +249,11 @@
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) {