xfs: reduce indenting in xfs_attr_node_list

Reduce the indentation here so that we can add some things in the next
patch without going over the column limits.
Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>

fs/xfs/xfs_attr_list.c

@@ -310,46 +310,47 @@ xfs_attr_node_list(
 	 */
 	bp = NULL;
 	if (cursor->blkno > 0) {
+		struct xfs_attr_leaf_entry *entries;
+
 		error = xfs_da3_node_read(context->tp, dp, cursor->blkno, &bp,
 				XFS_ATTR_FORK);
 		if (xfs_metadata_is_sick(error))
 			xfs_dirattr_mark_sick(dp, XFS_ATTR_FORK);
-		if ((error != 0) && (error != -EFSCORRUPTED))
+		if (error != 0 && error != -EFSCORRUPTED)
 			return error;
-		if (bp) {
-			struct xfs_attr_leaf_entry *entries;
+		if (!bp)
+			goto need_lookup;
 
-			node = bp->b_addr;
-			switch (be16_to_cpu(node->hdr.info.magic)) {
-			case XFS_DA_NODE_MAGIC:
-			case XFS_DA3_NODE_MAGIC:
+		node = bp->b_addr;
+		switch (be16_to_cpu(node->hdr.info.magic)) {
+		case XFS_DA_NODE_MAGIC:
+		case XFS_DA3_NODE_MAGIC:
+			trace_xfs_attr_list_wrong_blk(context);
+			xfs_trans_brelse(context->tp, bp);
+			bp = NULL;
+			break;
+		case XFS_ATTR_LEAF_MAGIC:
+		case XFS_ATTR3_LEAF_MAGIC:
+			leaf = bp->b_addr;
+			xfs_attr3_leaf_hdr_from_disk(mp->m_attr_geo,
+						     &leafhdr, leaf);
+			entries = xfs_attr3_leaf_entryp(leaf);
+			if (cursor->hashval > be32_to_cpu(
+					entries[leafhdr.count - 1].hashval)) {
 				trace_xfs_attr_list_wrong_blk(context);
 				xfs_trans_brelse(context->tp, bp);
 				bp = NULL;
-				break;
-			case XFS_ATTR_LEAF_MAGIC:
-			case XFS_ATTR3_LEAF_MAGIC:
-				leaf = bp->b_addr;
-				xfs_attr3_leaf_hdr_from_disk(mp->m_attr_geo,
-							     &leafhdr, leaf);
-				entries = xfs_attr3_leaf_entryp(leaf);
-				if (cursor->hashval > be32_to_cpu(
-						entries[leafhdr.count - 1].hashval)) {
-					trace_xfs_attr_list_wrong_blk(context);
-					xfs_trans_brelse(context->tp, bp);
-					bp = NULL;
-				} else if (cursor->hashval <= be32_to_cpu(
-						entries[0].hashval)) {
-					trace_xfs_attr_list_wrong_blk(context);
-					xfs_trans_brelse(context->tp, bp);
-					bp = NULL;
-				}
-				break;
-			default:
+			} else if (cursor->hashval <= be32_to_cpu(
+					entries[0].hashval)) {
 				trace_xfs_attr_list_wrong_blk(context);
 				xfs_trans_brelse(context->tp, bp);
 				bp = NULL;
 			}
+			break;
+		default:
+			trace_xfs_attr_list_wrong_blk(context);
+			xfs_trans_brelse(context->tp, bp);
+			bp = NULL;
 		}
 	}
 
@@ -359,6 +360,7 @@ xfs_attr_node_list(
 	 * Note that start of node block is same as start of leaf block.
 	 */
 	if (bp == NULL) {
+need_lookup:
 		error = xfs_attr_node_list_lookup(context, cursor, &bp);
 		if (error || !bp)
 			return error;