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| author | Changman Lee <cm224.lee@samsung.com> | 2013-02-20 07:47:06 +0900 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-03-18 21:00:34 +0900 |
| commit | 52c2db3f95ff8e8d9650885d6d66b8258ded1e38 (patch) | |
| tree | 7ef8f09a14dc9495a267adb3a3dad89bd4584ae0 /fs/f2fs/node.c | |
| parent | 266e97a81cf73d1a0dac5f68391da382630a80b7 (diff) | |
| download | linux-52c2db3f95ff8e8d9650885d6d66b8258ded1e38.tar.bz2 | |
f2fs: check the level before calling get_nid function
The caller of get_nid should be careful not to put lower value than
NODE_DIR1_BLOCK in case of level is zero.
Signed-off-by: Changman Lee <cm224.lee@samsung.com>
Reviewed-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs/node.c')
| -rw-r--r-- | fs/f2fs/node.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 65ec2eabb392..d408e69294c8 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -403,7 +403,8 @@ int get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode) return PTR_ERR(npage[0]); parent = npage[0]; - nids[1] = get_nid(parent, offset[0], true); + if (level != 0) + nids[1] = get_nid(parent, offset[0], true); dn->inode_page = npage[0]; dn->inode_page_locked = true; |