On Sun, May 05, 2019 at 07:33:20PM +0300, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@xxxxxxxxxxxx>
>
> When the refcount is 0 the device is invisible to netlink. However
> in the patch below the refcount = 1 was moved to after the device_add().
> This creates a race where userspace can issue a netlink query after the
> device_add() event and not see the device as visible.
>
> Ensure that no uevent is fired before device is fully registered.
>
> Fixes: d79af7242bb2 ("RDMA/device: Expose ib_device_try_get(()")
> Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
> ---
> Changelog
> v0 -> v1
> * Fix comment as suggested by Parav.
> ---
> drivers/infiniband/core/device.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
While I don't particularly like this approach, it seems like all we
will be able to manage for this merge window, so applied to for-next
Thanks,
Jason
