linux-kernel - [PATCH] btrfs-progs: rework the code logic

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Message-Id: <1341473198-3883-1-git-send-email-zwu.kernel@gmail.com>
Date:	Thu,  5 Jul 2012 15:26:38 +0800
From:	zwu.kernel@...il.com
To:	linux-btrfs@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Zhi Yong Wu <wuzhy@...ux.vnet.ibm.com>
Subject: [PATCH] btrfs-progs: rework the code logic

From: Zhi Yong Wu <wuzhy@...ux.vnet.ibm.com>

Signed-off-by: Zhi Yong Wu <wuzhy@...ux.vnet.ibm.com>
---
 extent-cache.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/extent-cache.c b/extent-cache.c
index 3dd6434..a5084ee 100644
--- a/extent-cache.c
+++ b/extent-cache.c
@@ -136,10 +136,10 @@ struct cache_extent *find_first_cache_extent(struct cache_tree *tree,
 	struct cache_extent *entry;
 
 	ret = __tree_search(&tree->root, start, 1, &prev);
-	if (!ret)
+	if (!ret) {
 		ret = prev;
-	if (!ret)
 		return NULL;
+        }
 	entry = rb_entry(ret, struct cache_extent, rb_node);
 	return entry;
 }
-- 
1.7.6

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