From: Zhang Changzhong <[email protected]>

[ Upstream commit ee4f52a8de2c6f78b01f10b4c330867d88c1653a ]

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

Fixes: f8ed289fab84 ("bridge: vlan: use br_vlan_(get|put)_master to deal with 
refcounts")
Reported-by: Hulk Robot <[email protected]>
Signed-off-by: Zhang Changzhong <[email protected]>
Acked-by: Nikolay Aleksandrov <[email protected]>
Link: 
https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
 net/bridge/br_vlan.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/net/bridge/br_vlan.c
+++ b/net/bridge/br_vlan.c
@@ -225,8 +225,10 @@ static int __vlan_add(struct net_bridge_
                }
 
                masterv = br_vlan_get_master(br, v->vid);
-               if (!masterv)
+               if (!masterv) {
+                       err = -ENOMEM;
                        goto out_filt;
+               }
                v->brvlan = masterv;
        }
 


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