On Wed, Apr 03, 2013 at 10:58:23AM +0800, Ming Lei wrote:
> diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
> index 1bf016b..328ef9b 100644
> --- a/fs/sysfs/dir.c
> +++ b/fs/sysfs/dir.c
> @@ -268,6 +268,13 @@ void release_sysfs_dirent(struct sysfs_dirent * sd)
> */
> parent_sd = sd->s_parent;
>
> + if (unlikely(!(sd->s_flags & SYSFS_FLAG_REMOVED))) {
> + printk(KERN_ERR "sysfs: free using entry: %s/%s\n",
> + parent_sd ? parent_sd->s_name : "",
> + sd->s_name);
> + BUG();
> + }
Please use WARN instead of BUG. For an in-ram filesystem like
sysfs, there's no real reason to lock-up the machine in this way
making it harder to debug.
Dave
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