From: Chris Mason <chris.mason@oracle.com>
Date: Wed, 13 May 2009 15:27:35 +0000 (-0400)
Subject: Fix print-tree.c to skip blocks it can't read instead of aborting
X-Git-Tag: upstream/0.20.rc1~187
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ed20f5fc905145a0673097b539442d2a59491e77;p=platform%2Fupstream%2Fbtrfs-progs.git

Fix print-tree.c to skip blocks it can't read instead of aborting
---

diff --git a/print-tree.c b/print-tree.c
index 5eb8bfe..846d966 100644
--- a/print-tree.c
+++ b/print-tree.c
@@ -450,6 +450,12 @@ void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *eb)
 					     btrfs_node_blockptr(eb, i),
 					     size,
 					     btrfs_node_ptr_generation(eb, i));
+		if (!next) {
+			fprintf(stderr, "failed to read %llu in tree %llu\n",
+				(unsigned long long)btrfs_node_blockptr(eb, i),
+				(unsigned long long)btrfs_header_owner(eb));
+			continue;
+		}
 		if (btrfs_is_leaf(next) &&
 		    btrfs_header_level(eb) != 1)
 			BUG();