openwrtv3/target/linux/generic/patches-4.4/046-ubifs-silence-error-output-if-MS_SILENT-is-set.patch

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From 1ae92642e5900316011736072b4fa91710840620 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Sat, 18 Jun 2016 17:53:45 +0200
Subject: [PATCH] ubifs: Silence error output if MS_SILENT is set
This change completes commit
90bea5a3f0 ("UBIFS: respect MS_SILENT mount flag")
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@makrotopia.org>
[rw: massaged commit message]
Signed-off-by: Richard Weinberger <richard@nod.at>
---
fs/ubifs/super.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -2107,8 +2107,9 @@ static struct dentry *ubifs_mount(struct
*/
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);
}