[PATCH 1/1] btrfs: Fix warning: 'prev' may be used uninitialized in this function

[Jean Sacren <sakiwit@gmail.com>]

warning: 'prev' may be used uninitialized in this function

Initialize the variable 'prev' to NULL so that gcc doesn't complain.

Signed-off-by: Jean Sacren <sakiwit@gmail.com>
---
 fs/btrfs/ordered-data.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index e56c72b..fad2616 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -141,7 +141,7 @@ static inline struct rb_node *tree_search(struct btrfs_ordered_inode_tree *tree,
 					  u64 file_offset)
 {
 	struct rb_root *root = &tree->tree;
-	struct rb_node *prev;
+	struct rb_node *prev = NULL;
 	struct rb_node *ret;
 	struct btrfs_ordered_extent *entry;
 
-- 
1.7.1