From: Chao Yu <chao2.yu@samsung.com>
Date: Thu, 28 Nov 2013 07:43:43 +0000 (+0800)
Subject: f2fs: check return value of f2fs_readpage in find_data_page
X-Git-Tag: v3.14-rc1~122^2~57
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1069bbf7b963d31d5532c36d43a02b0447e5bcfa;p=kernel%2Fkernel-generic.git

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
--- 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)) {