[patch 13/37] PPP: Fix PPP skb leak

[Greg KH]

-stable review patch.  If anyone has any objections, please let us know.

------------------
From: G. Liakhovetski <gl@xxxxxxxxx>

[PPP]: Don't leak an sk_buff on interface destruction.

Signed-off-by: G. Liakhovetski <gl@xxxxxxxxx>
Acked-by: Paul Mackerras <paulus@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 drivers/net/ppp_generic.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -2544,6 +2544,9 @@ static void ppp_destroy_interface(struct
 	ppp->active_filter = NULL;
 #endif /* CONFIG_PPP_FILTER */
 
+	if (ppp->xmit_pending)
+		kfree_skb(ppp->xmit_pending);
+
 	kfree(ppp);
 }
 

-- 
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