Re: [v2] cachefiles: fix error return code in cachefiles_ondemand_copen()

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On 8/18/22 7:19 PM, Sun Ke wrote:
> If size < 0; open request will fail, but cachefiles_ondemand_copen return 0.
> Fix to return a negative error code.

Could you please also update the commit log?

Otherwise LGTM.

Reviewed-by: Jingbo Xu <jefflexu@xxxxxxxxxxxxxxxxx>


BTW, also cc linux-fsdevel@xxxxxxxxxxxxxxx

> 
> Fixes: c8383054506c ("cachefiles: notify the user daemon when looking up cookie")
> Signed-off-by: Sun Ke <sunke32@xxxxxxxxxx>
> ---
>  fs/cachefiles/ondemand.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/cachefiles/ondemand.c b/fs/cachefiles/ondemand.c
> index 1fee702d5529..ea8a1e8317d9 100644
> --- a/fs/cachefiles/ondemand.c
> +++ b/fs/cachefiles/ondemand.c
> @@ -159,7 +159,7 @@ int cachefiles_ondemand_copen(struct cachefiles_cache *cache, char *args)
>  	/* fail OPEN request if daemon reports an error */
>  	if (size < 0) {
>  		if (!IS_ERR_VALUE(size))
> -			size = -EINVAL;
> +			ret = size = -EINVAL;
>  		req->error = size;
>  		goto out;
>  	}

-- 
Thanks,
Jingbo



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