This is a note to let you know that I've just added the patch titled
vfs: show_vfsstat: do not ignore errors from show_devname method
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
vfs-show_vfsstat-do-not-ignore-errors-from-show_devname-method.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 5f8d498d4364f544fee17125787a47553db02afa Mon Sep 17 00:00:00 2001
From: "Dmitry V. Levin" <ldv@xxxxxxxxxxxx>
Date: Thu, 19 Mar 2015 11:10:54 +0000
Subject: vfs: show_vfsstat: do not ignore errors from show_devname method
From: Dmitry V. Levin <ldv@xxxxxxxxxxxx>
commit 5f8d498d4364f544fee17125787a47553db02afa upstream.
Explicitly check show_devname method return code and bail out in case
of an error. This fixes regression introduced by commit 9d4d65748a5c.
Signed-off-by: Dmitry V. Levin <ldv@xxxxxxxxxxxx>
Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/proc_namespace.c | 2 ++
1 file changed, 2 insertions(+)
--- a/fs/proc_namespace.c
+++ b/fs/proc_namespace.c
@@ -197,6 +197,8 @@ static int show_vfsstat(struct seq_file
if (sb->s_op->show_devname) {
seq_puts(m, "device ");
err = sb->s_op->show_devname(m, mnt_path.dentry);
+ if (err)
+ goto out;
} else {
if (r->mnt_devname) {
seq_puts(m, "device ");
Patches currently in stable-queue which might be from ldv@xxxxxxxxxxxx are
queue-4.4/vfs-show_vfsstat-do-not-ignore-errors-from-show_devname-method.patch
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