f2fs: fix to handle error path correctly in f2fs_map_blocks

In f2fs_map_blocks(), we should bail out once __allocate_data_block()
failed.

Fixes: f847c699cff3 ("f2fs: allow out-place-update for direct IO in LFS mode")
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 7e9fafd44cbc..a3e2ce5a6b22 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1195,10 +1195,10 @@ next_block:
                 if (test_opt(sbi, LFS) && flag == F2FS_GET_BLOCK_DIO &&
                                                         map->m_may_create) {
                         err = __allocate_data_block(&dn, map->m_seg_type);
-                        if (!err) {
-                                blkaddr = dn.data_blkaddr;
-                                set_inode_flag(inode, FI_APPEND_WRITE);
-                        }
+                        if (err)
+                                goto sync_out;
+                        blkaddr = dn.data_blkaddr;
+                        set_inode_flag(inode, FI_APPEND_WRITE);
                 }
         } else {
                 if (create) {