[PATCH -next] integrity: fix the error return code in integrity_load_keys()

[serge@hallyn.com (Serge E. Hallyn)]

On Mon, May 28, 2018 at 02:08:36AM +0000, Wei Yongjun wrote:
> The error return code PTR_ERR(integrity_dir) is always 0 since
> integrity_dir is set to NULL in this error handling case.
> 
> Fixes: 0c343af8065b ("integrity: Add an integrity directory in securityfs")
> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>

Huh.

Acked-by: Serge Hallyn <serge@hallyn.com>

> ---
>  security/integrity/iint.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/security/integrity/iint.c b/security/integrity/iint.c
> index 149faa8..2dfc9e8 100644
> --- a/security/integrity/iint.c
> +++ b/security/integrity/iint.c
> @@ -217,12 +217,15 @@ void __init integrity_load_keys(void)
>  
>  static int __init integrity_fs_init(void)
>  {
> +	int ret;
> +
>  	integrity_dir = securityfs_create_dir("integrity", NULL);
>  	if (IS_ERR(integrity_dir)) {
>  		pr_err("Unable to create integrity sysfs dir: %ld\n",
>  		       PTR_ERR(integrity_dir));
> +		ret = PTR_ERR(integrity_dir);
>  		integrity_dir = NULL;
> -		return PTR_ERR(integrity_dir);
> +		return ret;
>  	}
>  
>  	return 0;
--
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