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Subject[PATCH] ipv6: Don't pass invalid dst_entry pointer to dst_release().
Date
From: Boris Ostrovsky <boris.ostrovsky@amd.com>

Make sure dst_release() is not called with error pointer. This is
similar to commit 4910ac6c526d2868adcb5893e0c428473de862b5.

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@amd.com>
---
net/ipv6/tcp_ipv6.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 2b0c186..56fa125 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -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);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
+ dst = NULL;
goto done;
}
skb = tcp_make_synack(sk, dst, req, rvp);
--
1.7.1


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