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authorPatrick McHardy <kaber@trash.net>2011-04-12 05:39:51 +0000
committerDavid S. Miller <davem@davemloft.net>2011-04-12 14:38:57 -0700
commit0e08785845093ef4ed220463a739bc8d0db95de7 (patch)
treee3c9539949a3c00ea2457439bb6f36e5c4842f54 /drivers
parent192910a6cca5e50e5bd6cbd1da0e7376c7adfe62 (diff)
connector: fix skb double free in cn_rx_skb()
When a skb is delivered to a registered callback, cn_call_callback() incorrectly returns -ENODEV after freeing the skb, causing cn_rx_skb() to free the skb a second time. Reported-by: Eric B Munson <emunson@mgebm.net> Signed-off-by: Patrick McHardy <kaber@trash.net> Tested-by: Eric B Munson <emunson@mgebm.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/connector/connector.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c
index d77005849af8..219d88a0eeae 100644
--- a/drivers/connector/connector.c
+++ b/drivers/connector/connector.c
@@ -142,6 +142,7 @@ static int cn_call_callback(struct sk_buff *skb)
cbq->callback(msg, nsp);
kfree_skb(skb);
cn_queue_release_callback(cbq);
+ err = 0;
}
return err;

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