[PATCH] erofs: fix error return code in erofs_fscache_meta_read_folio and erofs_fscache_read_folio

[Chao Yu]

On 2022/8/15 11:48, Sun Ke wrote:
> If erofs_fscache_alloc_request fail and then goto out, it will return 0.
> it should return a negative error code instead of 0.
> 
> Fixes: d435d53228dd ("erofs: change to use asynchronous io for fscache readpage/readahead")
> Signed-off-by: Sun Ke <sunke32 at huawei.com>

Reviewed-by: Chao Yu <chao at kernel.org>

Thanks,