GFS2: inline function gfs2_set_mode

Here is a revised patch based on Steve's feedback:

This patch eliminates function gfs2_set_mode which was only called in
one place, and always returned 0.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c
index 394dc55..3088e2a 100644
--- a/fs/gfs2/acl.c
+++ b/fs/gfs2/acl.c
@@ -64,18 +64,6 @@
 	return acl;
 }
 
-static int gfs2_set_mode(struct inode *inode, umode_t mode)
-{
-	int error = 0;
-
-	if (mode != inode->i_mode) {
-		inode->i_mode = mode;
-		mark_inode_dirty(inode);
-	}
-
-	return error;
-}
-
 int gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
 {
 	int error;
@@ -98,9 +86,10 @@
 		if (error == 0)
 			acl = NULL;
 
-		error = gfs2_set_mode(inode, mode);
-		if (error)
-			return error;
+		if (mode != inode->i_mode) {
+			inode->i_mode = mode;
+			mark_inode_dirty(inode);
+		}
 	}
 
 	if (acl) {