[PATCH net] 6lowpan: fix double free in lowpan_frag_rcv()

[Dan Carpenter]

The skb() is freed by the caller in lowpan_invoke_rx_handlers() so this
free is a double free.

Fixes: 7240cdec60b1 ("6lowpan: handling 6lowpan fragmentation via inet_frag 
api")
Signed-off-by: Dan Carpenter <dan.carpen...@linaro.org>
---
>From static analysis, untested.

 net/ieee802154/6lowpan/reassembly.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/net/ieee802154/6lowpan/reassembly.c 
b/net/ieee802154/6lowpan/reassembly.c
index 6dd960ec558c..1ccefc07049c 100644
--- a/net/ieee802154/6lowpan/reassembly.c
+++ b/net/ieee802154/6lowpan/reassembly.c
@@ -313,7 +313,6 @@ int lowpan_frag_rcv(struct sk_buff *skb, u8 frag_type)
        }
 
 err:
-       kfree_skb(skb);
        return -1;
 }
 
-- 
2.39.2