f2fs: check return value of f2fs_readpage in find_data_page

We should return error if we do not get an updated page in find_date_page
when f2fs_readpage failed.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 24f752d..c9a76f8 100644 (file)
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -240,6 +240,9 @@ struct page *find_data_page(struct inode *inode, pgoff_t index, bool sync)
 
        err = f2fs_readpage(sbi, page, dn.data_blkaddr,
                                        sync ? READ_SYNC : READA);
+       if (err)
+               return ERR_PTR(err);
+
        if (sync) {
                wait_on_page_locked(page);
                if (!PageUptodate(page)) {