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authorJohn W. Linville <linville@tuxdriver.com>2011-11-22 14:05:46 -0500
committerJohn W. Linville <linville@tuxdriver.com>2011-11-22 14:05:46 -0500
commit515db09338704a6ad7d27b5f1e33820d3052edd2 (patch)
tree74f915531710303397d34069b325c2be7a5ac93c /fs/btrfs/print-tree.c
parent30be52e44fd4276d768efffb55d424fb682e6505 (diff)
parentcfcfc9eca2bcbd26a8e206baeb005b055dbf8e37 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Conflicts: drivers/net/wireless/iwlegacy/iwl-debugfs.c drivers/net/wireless/iwlegacy/iwl-rx.c drivers/net/wireless/iwlegacy/iwl-scan.c drivers/net/wireless/iwlegacy/iwl-tx.c include/net/bluetooth/bluetooth.h
Diffstat (limited to 'fs/btrfs/print-tree.c')
-rw-r--r--fs/btrfs/print-tree.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c
index fb2605d998e9..f38e452486b8 100644
--- a/fs/btrfs/print-tree.c
+++ b/fs/btrfs/print-tree.c
@@ -158,8 +158,7 @@ static void print_extent_ref_v0(struct extent_buffer *eb, int slot)
void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
{
int i;
- u32 type;
- u32 nr = btrfs_header_nritems(l);
+ u32 type, nr;
struct btrfs_item *item;
struct btrfs_root_item *ri;
struct btrfs_dir_item *di;
@@ -172,6 +171,11 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
struct btrfs_key key;
struct btrfs_key found_key;
+ if (!l)
+ return;
+
+ nr = btrfs_header_nritems(l);
+
printk(KERN_INFO "leaf %llu total ptrs %d free space %d\n",
(unsigned long long)btrfs_header_bytenr(l), nr,
btrfs_leaf_free_space(root, l));