Merge branch 'hotfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6

* 'hotfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6:
  NFS: Ensure we call nfs_sb_deactive() after releasing the directory inode
  nfs_remount oops when rebooting + possible fix

fs/nfs/super.c

@@ -1718,9 +1718,9 @@ nfs_remount(struct super_block *sb, int *flags, char *raw_data)
 	 * ones were explicitly specified. Fall back to legacy behavior and
 	 * just return success.
 	 */
-	if ((nfsvers == 4 && options4->version == 1) ||
-	    (nfsvers <= 3 && options->version >= 1 &&
-	     options->version <= 6))
+	if ((nfsvers == 4 && (!options4 || options4->version == 1)) ||
+	    (nfsvers <= 3 && (!options || (options->version >= 1 &&
+					   options->version <= 6))))
 		return 0;
 
 	data = kzalloc(sizeof(*data), GFP_KERNEL);

fs/nfs/unlink.c

@@ -95,10 +95,11 @@ static void nfs_async_unlink_done(struct rpc_task *task, void *calldata)
 static void nfs_async_unlink_release(void *calldata)
 {
 	struct nfs_unlinkdata	*data = calldata;
+	struct super_block *sb = data->dir->i_sb;
 
 	nfs_dec_sillycount(data->dir);
-	nfs_sb_deactive(NFS_SERVER(data->dir));
 	nfs_free_unlinkdata(data);
+	nfs_sb_deactive(NFS_SB(sb));
 }
 
 static const struct rpc_call_ops nfs_unlink_ops = {