On Tue, Jul 19, 2011 at 09:32:38AM -0700, Tim Chen wrote:
> @@ -1193,6 +1193,7 @@ static void __exit cleanup_mtdchar(void)
> {
> unregister_mtd_user(&mtdchar_notifier);
> mntput(mtd_inode_mnt);
> + kern_unmount(mtd_inode_mnt);
Surely you want to merge that mntput() in there...
> +void kern_unmount(struct vfsmount *mnt)
> +{
> + /* release long term mount so mount point can be released */
> + if (!IS_ERR_OR_NULL(mnt)) {
> + mnt_make_shortterm(mnt);
> + mntput();
> + }
> +}
... and if you pass it the argument, it'll be much happier.
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