This is a note to let you know that I've just added the patch titled net: bridge: vlan: fix error return code in __vlan_add() to the 4.19-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: net-bridge-vlan-fix-error-return-code-in-__vlan_add.patch and it can be found in the queue-4.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From foo@baz Sat Dec 19 12:04:16 PM CET 2020 From: Zhang Changzhong <zhangchangzhong@xxxxxxxxxx> Date: Fri, 4 Dec 2020 16:48:56 +0800 Subject: net: bridge: vlan: fix error return code in __vlan_add() From: Zhang Changzhong <zhangchangzhong@xxxxxxxxxx> [ 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 <hulkci@xxxxxxxxxx> Signed-off-by: Zhang Changzhong <zhangchangzhong@xxxxxxxxxx> Acked-by: Nikolay Aleksandrov <nikolay@xxxxxxxxxx> Link: https://lore.kernel.org/r/1607071737-33875-1-git-send-email-zhangchangzhong@xxxxxxxxxx Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 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 @@ -242,8 +242,10 @@ 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; v->stats = masterv->stats; } else { Patches currently in stable-queue which might be from zhangchangzhong@xxxxxxxxxx are queue-4.19/net-bridge-vlan-fix-error-return-code-in-__vlan_add.patch