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authorDaniel Golle <daniel@makrotopia.org>2016-06-18 18:34:22 +0200
committerDaniel Golle <daniel@makrotopia.org>2016-06-18 19:14:05 +0200
commit67475b0e319359f6a3d0a925568665923e46b14d (patch)
tree44942b8f980451654ae03434ccfdbd96d6e46256 /target/linux/generic
parent982108f7e5da6c79c70c035e26ac3bdf47a8e487 (diff)
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kernel: backport cosmetic ubifs patch
Despite the MS_SILENT flag being set when probing for ubifs rootfs a logline indicating an error is generated during boot: UBIFS error (pid: 1): cannot open "ubi0:rootfs", error -19 This leads to confusion and there shouldn't be lines containing the word 'error' twice in a bootlog if actually everything is fine (just the rootfs happens to be something else than ubifs) The patch added has been submitted and was accepted upstream, see: http://lists.infradead.org/pipermail/linux-mtd/2016-June/068056.html http://patchwork.ozlabs.org/patch/637491 Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Diffstat (limited to 'target/linux/generic')
-rw-r--r--target/linux/generic/patches-4.4/046-ubifs-silence-error-output-if-MS_SILENT-is-set.patch42
1 files changed, 42 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.4/046-ubifs-silence-error-output-if-MS_SILENT-is-set.patch b/target/linux/generic/patches-4.4/046-ubifs-silence-error-output-if-MS_SILENT-is-set.patch
new file mode 100644
index 0000000000..7c01d77a18
--- /dev/null
+++ b/target/linux/generic/patches-4.4/046-ubifs-silence-error-output-if-MS_SILENT-is-set.patch
@@ -0,0 +1,42 @@
+From 6da56ec248e48c9c78721f51528c178adec3b35b Mon Sep 17 00:00:00 2001
+In-Reply-To: <5765615E.5010409@nod.at>
+References: <5765615E.5010409@nod.at>
+From: Daniel Golle <daniel@makrotopia.org>
+Date: Sat, 18 Jun 2016 11:42:52 +0200
+Subject: [PATCH] ubifs: silence error output if MS_SILENT is set
+X-Patchwork-Id: 637491
+X-Patchwork-Delegate: richard.weinberger@gmail.com
+To: linux-mtd@lists.infradead.org
+Cc: Artem Bityutskiy <dedekind1@gmail.com>,
+ Richard Weinberger <richard.weinberger@gmail.com>
+
+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@makrotopia.org>
+---
+ 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);
+ }
+
+--
+2.8.3
+