[PATCH] erofs: fix an error code in z_erofs_init_zip_subsystem()

[Yue Hu]

On Thu, 16 Feb 2023 15:13:04 +0300
Dan Carpenter <error27 at gmail.com> wrote:

> Return -ENOMEM if alloc_workqueue() fails.  Don't return success.
> 
> Fixes: d8a650adf429 ("erofs: add per-cpu threads for decompression as an option")
> Signed-off-by: Dan Carpenter <error27 at gmail.com>

Reviewed-by: Yue Hu <huyue2 at coolpad.com>

> ---
>  fs/erofs/zdata.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c
> index 8ea3f5fe985e..3247d2422bea 100644
> --- a/fs/erofs/zdata.c
> +++ b/fs/erofs/zdata.c
> @@ -475,8 +475,10 @@ int __init z_erofs_init_zip_subsystem(void)
>  
>  	z_erofs_workqueue = alloc_workqueue("erofs_worker",
>  			WQ_UNBOUND | WQ_HIGHPRI, num_possible_cpus());
> -	if (!z_erofs_workqueue)
> +	if (!z_erofs_workqueue) {
> +		err = -ENOMEM;
>  		goto out_error_workqueue_init;
> +	}
>  
>  	err = erofs_init_percpu_workers();
>  	if (err)