Commit 7f80ccfe authored by Gustavo A. R. Silva's avatar Gustavo A. R. Silva Committed by David S. Miller
Browse files

net: ipv6: rpl_iptunnel: Fix potential memory leak in rpl_do_srh_inline 



In case memory resources for buf were allocated, release them before
return.

Addresses-Coverity-ID: 1492011 ("Resource leak")
Fixes: a7a29f9c ("net: ipv6: add rpl sr tunnel")
Signed-off-by: default avatarGustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a0190431

net/ipv6/rpl_iptunnel.c

+3 −1
Original line number Diff line number Diff line
@@ -155,8 +155,10 @@ static int rpl_do_srh_inline(struct sk_buff *skb, const struct rpl_lwt *rlwt, 
	hdrlen = ((csrh->hdrlen + 1) << 3);



	err = skb_cow_head(skb, hdrlen + skb->mac_len);

	if (unlikely(err))

	if (unlikely(err)) {

		kfree(buf);

		return err;

	}



	skb_pull(skb, sizeof(struct ipv6hdr));

	skb_postpull_rcsum(skb, skb_network_header(skb),