Commit 738faca3 authored by Boris Ostrovsky's avatar Boris Ostrovsky Committed by David S. Miller

ipv6: Don't pass invalid dst_entry pointer to dst_release().

Make sure dst_release() is not called with error pointer. This is
similar to commit 4910ac6c ("ipv4:
Don't ip_rt_put() an error pointer in RAW sockets.").
Signed-off-by: default avatarBoris Ostrovsky <boris.ostrovsky@amd.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a14b289d
...@@ -503,6 +503,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req, ...@@ -503,6 +503,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req,
dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false); dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false);
if (IS_ERR(dst)) { if (IS_ERR(dst)) {
err = PTR_ERR(dst); err = PTR_ERR(dst);
dst = NULL;
goto done; goto done;
} }
skb = tcp_make_synack(sk, dst, req, rvp); skb = tcp_make_synack(sk, dst, req, rvp);
......
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