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 3d4d5fc19e6fc6ad14be01a3d11b1dd68273b0fd..ff363e686b7e4324433a7ec927e90da450798386 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);