[PATCH] apparmor: Fix an error code in aafs_create()

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

Quoting Dan Carpenter (dan.carpenter at oracle.com):
> We accidentally forgot to set the error code on this path.  It means we
> return NULL instead of an error pointer.  I looked through a bunch of
> callers and I don't think it really causes a big issue, but the
> documentation says we're supposed to return error pointers here.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

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

thanks,
-serge

> diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c
> index 853c2ec8e0c9..2caeb748070c 100644
> --- a/security/apparmor/apparmorfs.c
> +++ b/security/apparmor/apparmorfs.c
> @@ -248,8 +248,10 @@ static struct dentry *aafs_create(const char *name, umode_t mode,
>  
>  	inode_lock(dir);
>  	dentry = lookup_one_len(name, parent, strlen(name));
> -	if (IS_ERR(dentry))
> +	if (IS_ERR(dentry)) {
> +		error = PTR_ERR(dentry);
>  		goto fail_lock;
> +	}
>  
>  	if (d_really_is_positive(dentry)) {
>  		error = -EEXIST;
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