From: Pan Bian <bianpan2...@163.com>

[ Upstream commit b6011966ac6f402847eb5326beee8da3a80405c7 ]

The dst entry should be released if no neighbour is found. Goto label
free_dst to fix the issue. Besides, the check of ndev against NULL is
redundant.

Signed-off-by: Pan Bian <bianpan2...@163.com>
Link: https://lore.kernel.org/r/20210121145738.51091-1-bianpan2...@163.com
Signed-off-by: Jakub Kicinski <k...@kernel.org>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/crypto/chelsio/chtls/chtls_cm.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/crypto/chelsio/chtls/chtls_cm.c 
b/drivers/crypto/chelsio/chtls/chtls_cm.c
index eddc6d1bdb2d1..82b76df43ae57 100644
--- a/drivers/crypto/chelsio/chtls/chtls_cm.c
+++ b/drivers/crypto/chelsio/chtls/chtls_cm.c
@@ -1047,11 +1047,9 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
 
        n = dst_neigh_lookup(dst, &iph->saddr);
        if (!n || !n->dev)
-               goto free_sk;
+               goto free_dst;
 
        ndev = n->dev;
-       if (!ndev)
-               goto free_dst;
        if (is_vlan_dev(ndev))
                ndev = vlan_dev_real_dev(ndev);
 
@@ -1117,7 +1115,8 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
 free_csk:
        chtls_sock_release(&csk->kref);
 free_dst:
-       neigh_release(n);
+       if (n)
+               neigh_release(n);
        dst_release(dst);
 free_sk:
        inet_csk_prepare_forced_close(newsk);
-- 
2.27.0

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