From: Chao Yu <chao2.yu@samsung.com>
Date: Wed, 6 Nov 2013 01:12:04 +0000 (+0800)
Subject: f2fs: avoid to use a NULL point in destroy_segment_manager
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=3b03f72445ba1437cfa29f9719bb3cfdb60558d9;p=deliverable%2Flinux.git

f2fs: avoid to use a NULL point in destroy_segment_manager

A NULL point should avoid to be used in destroy_segment_manager after allocating
memory fail for f2fs_sm_info.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
---

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 3d4d5fc19e6f..ff363e686b7e 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1744,6 +1744,8 @@ static void destroy_sit_info(struct f2fs_sb_info *sbi)
 void destroy_segment_manager(struct f2fs_sb_info *sbi)
 {
 	struct f2fs_sm_info *sm_info = SM_I(sbi);
+	if (!sm_info)
+		return;
 	destroy_dirty_segmap(sbi);
 	destroy_curseg(sbi);
 	destroy_free_segmap(sbi);