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f2fs: avoid to use a NULL point in destroy_segment_manager
author
Chao Yu
<chao2.yu@samsung.com>
Wed, 6 Nov 2013 01:12:04 +0000
(09:12 +0800)
committer
Jaegeuk Kim
<jaegeuk.kim@samsung.com>
Wed, 6 Nov 2013 07:37:44 +0000
(16:37 +0900)
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>
fs/f2fs/segment.c
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diff --git
a/fs/f2fs/segment.c
b/fs/f2fs/segment.c
index
3d4d5fc
..
ff363e6
100644
(file)
--- 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);