Re: [PATCH] vfio/mdev: Fix reference count leak in add_mdev_supported_type.

From: Kirti Wankhede
Date: Fri May 29 2020 - 13:55:42 EST

On 5/28/2020 12:32 PM, Cornelia Huck wrote:
On Wed, 27 May 2020 21:01:09 -0500
wu000273@xxxxxxx wrote:

From: Qiushi Wu <wu000273@xxxxxxx>

kobject_init_and_add() takes reference even when it fails.
If this function returns an error, kobject_put() must be called to
properly clean up the memory associated with the object. Thus,
replace kfree() by kobject_put() to fix this issue. Previous
commit "b8eb718348b8" fixed a similar problem.

Fixes: 7b96953bc640 ("vfio: Mediated device Core driver")
Signed-off-by: Qiushi Wu <wu000273@xxxxxxx>
drivers/vfio/mdev/mdev_sysfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>

Thanks for fixing.

Reviewed-by: Kirti Wankhede <kwankhede@xxxxxxxxxx>