On Thu, Dec 05, 2013 at 11:10:51AM +0800, Yuanhan Liu wrote:
> Greetings,
>
> I got the below dmesg and the first bad commit is
>
> commit 4b93dc9b1c684d0587fe44d36bbfdf45bd3bea9d
> Author: Tejun Heo <t...@kernel.org>
> AuthorDate: Thu Nov 28 14:54:43 2013 -0500
> Commit: Greg Kroah-Hartman <gre...@linuxfoundation.org>
> CommitDate: Fri Nov 29 18:16:08 2013 -0800
>
> sysfs, kernfs: prepare mount path for kernfs
Oops, can you please try the following patch?
Thanks.
diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c
index e7e3aa8..8d07527 100644
--- a/fs/sysfs/mount.c
+++ b/fs/sysfs/mount.c
@@ -45,8 +45,10 @@ static struct dentry *sysfs_mount(struct file_system_type
*fs_type,
static void sysfs_kill_sb(struct super_block *sb)
{
+ void *ns = (void *)kernfs_super_ns(sb);
+
kernfs_kill_sb(sb);
- kobj_ns_drop(KOBJ_NS_TYPE_NET, (void *)kernfs_super_ns(sb));
+ kobj_ns_drop(KOBJ_NS_TYPE_NET, ns);
}
static struct file_system_type sysfs_fs_type = {
--
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