sanitize cifs_umount() prototype

a) superblock argument is unused
b) it always returns 0

Acked-by: Pavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 2 insertions, 3 deletions

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 9f09adf51edc..b2702226634e 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -3339,8 +3339,8 @@ CIFSTCon(unsigned int xid, struct cifs_ses *ses,
         return rc;
 }
 
-int
-cifs_umount(struct super_block *sb, struct cifs_sb_info *cifs_sb)
+void
+cifs_umount(struct cifs_sb_info *cifs_sb)
 {
         struct rb_root *root = &cifs_sb->tlink_tree;
         struct rb_node *node;
@@ -3362,7 +3362,6 @@ cifs_umount(struct super_block *sb, struct cifs_sb_info *cifs_sb)
         spin_unlock(&cifs_sb->tlink_tree_lock);
 
         bdi_destroy(&cifs_sb->bdi);
-        return 0;
 }
 
 int cifs_negotiate_protocol(unsigned int xid, struct cifs_ses *ses)