[PATCH v3] ubifs: silence error output if MS_SILENT is set

[Richard Weinberger]

Am 18.06.2016 um 17:53 schrieb Daniel Golle:
> This change completes
> commit 90bea5a3f0bf680b87b90516f3c231997f4b8f3b
> which already implements support for MS_SILENT except for that one
> error message which is still being displayed despite MS_SILENT being
> set. Suppress that error message as well in case MS_SILENT is set.
> 
> Signed-off-by: Daniel Golle <daniel at makrotopia.org>
> ---
> v2: logic was accidentally inverted, fix that.
> v3: add patch description
> 
>  fs/ubifs/super.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
> index 7034995..736dd58 100644
> --- a/fs/ubifs/super.c
> +++ b/fs/ubifs/super.c
> @@ -2108,8 +2108,9 @@ static struct dentry *ubifs_mount(struct file_system_type *fs_type, int flags,
>  	 */
>  	ubi = open_ubi(name, UBI_READONLY);
>  	if (IS_ERR(ubi)) {
> -		pr_err("UBIFS error (pid: %d): cannot open \"%s\", error %d",
> -		       current->pid, name, (int)PTR_ERR(ubi));
> +		if (!(flags & MS_SILENT))
> +			pr_err("UBIFS error (pid: %d): cannot open \"%s\", error %d",
> +			       current->pid, name, (int)PTR_ERR(ubi));
>  		return ERR_CAST(ubi);
>  	}

I'll queue this patch for v4.8.

Thanks,
//richard