Re: [PATCH net-next] vrf: use dev_replace_track() for better tracking

On 12/6/21 10:56 PM, Eric Dumazet wrote:

From: Eric Dumazet <redacted>

vrf_rt6_release() and vrf_rtable_release() changes dst->dev

Instead of

dev_hold(ndev);
dev_put(odev);

We should use

dev_replace_track(odev, ndev, &dst->dev_tracker, GFP_KERNEL);

If we do not transfer dst->dev_tracker to the new device,
we will get warnings from ref_tracker_dir_exit() when odev
is finally dismantled.

Fixes: 9038c320001d ("net: dst: add net device refcount tracking to dst_entry")
Signed-off-by: Eric Dumazet <redacted>
---
 drivers/net/vrf.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

Reviewed-by: David Ahern <dsahern@kernel.org>