[PATCH AUTOSEL 5.0 042/173] f2fs: fix error path of recovery

Sasha Levin
2019-06-01T13:21:28Z

From: Chao Yu <yuchao0@huawei.com>

[ Upstream commit 988385795c7f46b231982d54750587f204bd558b ]

There are some places in where we missed to unlock page or unlock page
incorrectly, fix them.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/f2fs/recovery.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index 73338c432e7e4..b14c718139a96 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -325,8 +325,10 @@ static int find_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head,
break;
}

- if (!is_recoverable_dnode(page))
+ if (!is_recoverable_dnode(page)) {
+ f2fs_put_page(page, 1);
break;
+ }

if (!is_fsync_dnode(page))
goto next;
@@ -338,8 +340,10 @@ static int find_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head,
if (!check_only &&
IS_INODE(page) && is_dent_dnode(page)) {
err = f2fs_recover_inode_page(sbi, page);
- if (err)
+ if (err) {
+ f2fs_put_page(page, 1);
break;
+ }
quota_inode = true;
}

@@ -355,6 +359,7 @@ static int find_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head,
err = 0;
goto next;
}
+ f2fs_put_page(page, 1);
break;
}
}
@@ -370,6 +375,7 @@ static int find_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head,
"%s: detect looped node chain, "
"blkaddr:%u, next:%u",
__func__, blkaddr, next_blkaddr_of_node(page));
+ f2fs_put_page(page, 1);
err = -EINVAL;
break;
}
@@ -380,7 +386,6 @@ static int find_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head,

f2fs_ra_meta_pages_cond(sbi, blkaddr);
}
- f2fs_put_page(page, 1);
return err;
}

@@ -674,8 +679,10 @@ static int recover_data(struct f2fs_sb_info *sbi, struct list_head *inode_list,
*/
if (IS_INODE(page)) {
err = recover_inode(entry->inode, page);
- if (err)
+ if (err) {
+ f2fs_put_page(page, 1);
break;
+ }
}
if (entry->last_dentry == blkaddr) {
err = recover_dentry(entry->inode, page, dir_list);
--
2.20.1