sysfs: make sysfs_addrm_finish() return void

With the previous sysfs_add_one() update, there is only one user of
the return value of sysfs_addrm_finish() and the user can switch to
testing @sd easily.  Make sysfs_addrm_finish() return void for cleaner
semantics as suggested by Satyam Sharma.

This patch doesn't introduce any noticeable behavior change.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Satyam Sharma <satyam.sharma@gmail.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 6206032..a0da2b0 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -609,11 +609,8 @@
  *
  *	LOCKING:
  *	All mutexes acquired by sysfs_addrm_start() are released.
- *
- *	RETURNS:
- *	Number of added/removed sysfs_dirents since sysfs_addrm_start().
  */
-int sysfs_addrm_finish(struct sysfs_addrm_cxt *acxt)
+void sysfs_addrm_finish(struct sysfs_addrm_cxt *acxt)
 {
 	/* release resources acquired by sysfs_addrm_start() */
 	mutex_unlock(&sysfs_mutex);
@@ -639,8 +636,6 @@
 		sysfs_deactivate(sd);
 		sysfs_put(sd);
 	}
-
-	return acxt->cnt;
 }
 
 /**