Looks good.

Reviewed-by: Chaitanya Kulkarni <[email protected]>

On 6/3/19 9:03 PM, Lin Yi wrote:
> kobject_add takes a refcount to the object dev->kobj, but forget to
> release it before return, lead to a memory leak.
> 
> Signed-off-by: Lin Yi <[email protected]>
> Fixes: 7bd1d5edd016 ("Merge branch 'x86-urgent-for-linus' of
> git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip")
> Cc: [email protected]
> ---
>   block/blk-sysfs.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
> index 75b5281..539b7cb 100644
> --- a/block/blk-sysfs.c
> +++ b/block/blk-sysfs.c
> @@ -971,6 +971,7 @@ int blk_register_queue(struct gendisk *disk)
>       ret = kobject_add(&q->kobj, kobject_get(&dev->kobj), "%s", "queue");
>       if (ret < 0) {
>               blk_trace_remove_sysfs(dev);
> +             kobject_put(&dev->kobj);
>               goto unlock;
>       }
>   
> 

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