diff mbox series

[5.4,27/39] vxlan: fix error return code in __vxlan_dev_create()

Message ID 20201206111555.984668459@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg KH Dec. 6, 2020, 11:17 a.m. UTC 
From: Zhang Changzhong <zhangchangzhong@huawei.com>

[ Upstream commit 832e09798c261cf58de3a68cfcc6556408c16a5a ]

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

Fixes: 0ce1822c2a08 ("vxlan: add adjacent link to limit depth level")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Link: https://lore.kernel.org/r/1606903122-2098-1-git-send-email-zhangchangzhong@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/vxlan.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -3617,8 +3617,10 @@  static int __vxlan_dev_create(struct net
 
 	if (dst->remote_ifindex) {
 		remote_dev = __dev_get_by_index(net, dst->remote_ifindex);
-		if (!remote_dev)
+		if (!remote_dev) {
+			err = -ENODEV;
 			goto errout;
+		}
 
 		err = netdev_upper_dev_link(remote_dev, dev, extack);
 		if (err)