On Mon 11-09-17 21:43:23, Christophe JAILLET wrote:
> If the 'kmalloc' fails, we must go through the existing error handling
> path.
> 
> Signed-off-by: Christophe JAILLET <[email protected]>

Looks good to me. You can add:

Reviewed-by: Jan Kara <[email protected]>

                                                                Honza

> ---
>  mm/backing-dev.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/mm/backing-dev.c b/mm/backing-dev.c
> index f028a9a472fd..e19606bb41a0 100644
> --- a/mm/backing-dev.c
> +++ b/mm/backing-dev.c
> @@ -569,8 +569,10 @@ static int cgwb_create(struct backing_dev_info *bdi,
>  
>       /* need to create a new one */
>       wb = kmalloc(sizeof(*wb), gfp);
> -     if (!wb)
> -             return -ENOMEM;
> +     if (!wb) {
> +             ret = -ENOMEM;
> +             goto out_put;
> +     }
>  
>       ret = wb_init(wb, bdi, blkcg_css->id, gfp);
>       if (ret)
> -- 
> 2.11.0
> 
-- 
Jan Kara <[email protected]>
SUSE Labs, CR

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