Re: [PATCH] team: avoid NETDEV_CHANGEMTU event when unregistering slave

[Ido Schimmel <idosch@nvidia.com>]

Patch prefix should be "[PATCH net]". See:

https://docs.kernel.org/process/maintainer-netdev.html

On Sun, Jan 25, 2026 at 11:35:28PM +0900, Tetsuo Handa wrote:

[...]

Needs a Fixes tag. AFAICT, issue was present since the beginning, so:

Fixes: 3d249d4ca7d0 ("net: introduce ethernet teaming device")

> Reported-by: syzbot+881d65229ca4f9ae8c84@syzkaller.appspotmail.com
> Closes: https://syzkaller.appspot.com/bug?extid=881d65229ca4f9ae8c84
> Suggested-by: Ido Schimmel <idosch@nvidia.com>
> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>

Doesn't build for me with CONFIG_NET_TEAM=m:

ERROR: modpost: module team uses symbol __netif_set_mtu from namespace NETDEV_INTERNAL, but does not import it.
make[2]: *** [scripts/Makefile.modpost:147: Module.symvers] Error 1
make[1]: *** [/images/share/idosch/virtme-build/Makefile:2004: modpost] Error 2
make: *** [Makefile:248: __sub-make] Error 2

Needs:

diff --git a/drivers/net/team/team_core.c b/drivers/net/team/team_core.c
index 0af2e5aa84fb..a0fe998cc055 100644
--- a/drivers/net/team/team_core.c
+++ b/drivers/net/team/team_core.c
@@ -3014,3 +3014,4 @@ MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Jiri Pirko <jpirko@redhat.com>");
 MODULE_DESCRIPTION("Ethernet team device driver");
 MODULE_ALIAS_RTNL_LINK(DRV_NAME);
+MODULE_IMPORT_NS("NETDEV_INTERNAL");