From: Pan Bian bianpan2016@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 bianpan2016@163.com Link: https://lore.kernel.org/r/20210121145738.51091-1-bianpan2016@163.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@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 0c6b08918a504..76f816e58ffd3 100644 --- a/drivers/crypto/chelsio/chtls/chtls_cm.c +++ b/drivers/crypto/chelsio/chtls/chtls_cm.c @@ -1053,11 +1053,9 @@ static struct sock *chtls_recv_sock(struct sock *lsk, tcph = (struct tcphdr *)(iph + 1); 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);
@@ -1122,7 +1120,8 @@ 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);