xfs: merge freeing of mp names and mp

In all cases when struct xfs_mount (mp) fields m_rtname and m_logname
are freed mp is also freed, so merge these into a single function
xfs_mount_free()
Signed-off-by: Ian Kent <raven@themaw.net>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

fs/xfs/xfs_super.c

@@ -998,12 +998,13 @@ xfs_fs_drop_inode(
 	return generic_drop_inode(inode) || (ip->i_flags & XFS_IDONTCACHE);
 }
 
-STATIC void
-xfs_free_names(
+static void
+xfs_mount_free(
 	struct xfs_mount	*mp)
 {
 	kfree(mp->m_rtname);
 	kfree(mp->m_logname);
+	kmem_free(mp);
 }
 
 STATIC int
@@ -1178,8 +1179,7 @@ xfs_test_remount_options(
 
 	tmp_mp->m_super = sb;
 	error = xfs_parseargs(tmp_mp, options);
-	xfs_free_names(tmp_mp);
-	kmem_free(tmp_mp);
+	xfs_mount_free(tmp_mp);
 
 	return error;
 }
@@ -1710,8 +1710,7 @@ xfs_fs_fill_super(
 	xfs_close_devices(mp);
  out_free_names:
 	sb->s_fs_info = NULL;
-	xfs_free_names(mp);
-	kmem_free(mp);
+	xfs_mount_free(mp);
  out:
 	return error;
 
@@ -1742,8 +1741,7 @@ xfs_fs_put_super(
 	xfs_close_devices(mp);
 
 	sb->s_fs_info = NULL;
-	xfs_free_names(mp);
-	kmem_free(mp);
+	xfs_mount_free(mp);
 }
 
 STATIC struct dentry *