[PATCH -next] cxgb4/chcr: Fix error return code in chcr_ktls_dev_add()

[Wei Yongjun]

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: 34aba2c45024 ("cxgb4/chcr : Register to tls add and del callback")
Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: Wei Yongjun <weiyongj...@huawei.com>
---
 drivers/crypto/chelsio/chcr_ktls.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/crypto/chelsio/chcr_ktls.c 
b/drivers/crypto/chelsio/chcr_ktls.c
index 43d9e2420110..baaea8ce4080 100644
--- a/drivers/crypto/chelsio/chcr_ktls.c
+++ b/drivers/crypto/chelsio/chcr_ktls.c
@@ -501,12 +501,14 @@ static int chcr_ktls_dev_add(struct net_device *netdev, 
struct sock *sk,
        dst = sk_dst_get(sk);
        if (!dst) {
                pr_err("DST entry not found\n");
+               ret = -ENOENT;
                goto out2;
        }
        n = dst_neigh_lookup(dst, daaddr);
        if (!n || !n->dev) {
                pr_err("neighbour not found\n");
                dst_release(dst);
+               ret = -ENOENT;
                goto out2;
        }
        tx_info->l2te  = cxgb4_l2t_get(adap->l2t, n, n->dev, 0);
@@ -516,6 +518,7 @@ static int chcr_ktls_dev_add(struct net_device *netdev, 
struct sock *sk,
 
        if (!tx_info->l2te) {
                pr_err("l2t entry not found\n");
+               ret = -ENOENT;
                goto out2;
        }