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authorMichael S. Tsirkin <mst@redhat.com>2012-09-15 22:44:16 +0000
committerDavid S. Miller <davem@davemloft.net>2012-09-18 16:24:00 -0400
commit0e698bf6624c469cd4f3f391247b142963ca9c4e (patch)
tree143c603ac88a8d4bd8717329f9676ba28dcd6427 /net/core
parente4d1aa40e363ed3e0486aeeeb0d173f7f822737e (diff)
net: fix memory leak on oom with zerocopy
If orphan flags fails, we don't free the skb on receive, which leaks the skb memory. Return value was also wrong: netif_receive_skb is supposed to return NET_RX_DROP, not ENOMEM. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/dev.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index d7fe32c946c1..ac7609d85187 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3322,7 +3322,7 @@ ncls:
if (pt_prev) {
if (unlikely(skb_orphan_frags(skb, GFP_ATOMIC)))
- ret = -ENOMEM;
+ goto drop;
else
ret = pt_prev->func(skb, skb->dev, pt_prev, orig_dev);
} else {