From a374eeb5e5b35c877a890dce5d3f7cca5a3e33f6 Mon Sep 17 00:00:00 2001
From: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Date: Wed, 11 Jun 2014 12:03:06 +0200
Subject: [PATCH] mac802154: properly free incoming skbs on decryption failure
mac802154 RX did not free skbs on decryption failure, assuming that the
caller would when the local rx handler returned _DROP. This was false.
Signed-off-by: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/mac802154/wpan.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/mac802154/wpan.c b/net/mac802154/wpan.c
index 23bc91cf99c46..c8cfd54f37113 100644
--- a/net/mac802154/wpan.c
+++ b/net/mac802154/wpan.c
@@ -472,6 +472,7 @@ mac802154_subif_frame(struct mac802154_sub_if_data *sdata, struct sk_buff *skb,
rc = mac802154_llsec_decrypt(&sdata->sec, skb);
if (rc) {
pr_debug("decryption failed: %i\n", rc);
+ kfree_skb(skb);
return NET_RX_DROP;
}
--
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