Commit 7f80ccfe authored Mar 31, 2020 by Gustavo A. R. Silva Committed by David S. Miller Mar 31, 2020

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: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David 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),

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