[PATCH] btrfs/extent_io.c: remove the useless assignment to entryin tree_insert

[Wang Sheng-Hui]

In tree_insert, entry is used in the loop only, and is useless
out of the loop. Remove the useless assignment after the loop.

Signed-off-by: Wang Sheng-Hui <shhuiw@xxxxxxxxx>
---
 fs/btrfs/extent_io.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 9ed9d2c..6099261 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -186,7 +186,6 @@ static struct rb_node *tree_insert(struct rb_root *root, u64 offset,
 			return parent;
 	}
 
-	entry = rb_entry(node, struct tree_entry, rb_node);
 	rb_link_node(node, parent, p);
 	rb_insert_color(node, root);
 	return NULL;
-- 
1.7.1

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