Takashi Iwai <[email protected]> writes:
> proc_create_mount_point() forgot to increase the parent's nlink, and
> it resulted in unbalanced hard link numbers, e.g. /proc/fs shows one
> less than expected.
Applied. Thanks.
>
> Fixes: eb6d38d5427b ("proc: Allow creating permanently empty directories...")
> Cc: [email protected]
> Reported-by: Tristan Ye <[email protected]>
> Signed-off-by: Takashi Iwai <[email protected]>
> ---
> fs/proc/generic.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/fs/proc/generic.c b/fs/proc/generic.c
> index ee27feb34cf4..9425c0d97262 100644
> --- a/fs/proc/generic.c
> +++ b/fs/proc/generic.c
> @@ -472,6 +472,7 @@ struct proc_dir_entry *proc_create_mount_point(const char
> *name)
> ent->data = NULL;
> ent->proc_fops = NULL;
> ent->proc_iops = NULL;
> + parent->nlink++;
> if (proc_register(parent, ent) < 0) {
> kfree(ent);
> parent->nlink--;
