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

[Gao Xiang]

On 2023/2/16 20:13, Dan Carpenter 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: Gao Xiang <hsiangkao at linux.alibaba.com>

Thanks,
Gao Xiang

> ---
>   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)