[PATCH 1/2] jfs: Jump to error_out when filemap_fdatawait fails

From: Quorum Laval
Date: Mon Aug 22 2016 - 16:29:11 EST


filemap_fdatawait may fail, so check the return value and jump to
error_out in the case of error.

Signed-off-by: Quorum Laval <quorum.laval@xxxxxxxxx>
---
fs/jfs/resize.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/jfs/resize.c b/fs/jfs/resize.c
index 90b3bc2..b0322da 100644
--- a/fs/jfs/resize.c
+++ b/fs/jfs/resize.c
@@ -379,7 +379,10 @@ int jfs_extendfs(struct super_block *sb, s64 newLVSize, int newLogSize)
* cached in meta-data cache, and not written out
* by txCommit();
*/
- filemap_fdatawait(ipbmap->i_mapping);
+ rc = filemap_fdatawait(ipbmap->i_mapping);
+ if (rc)
+ goto error_out;
+
filemap_write_and_wait(ipbmap->i_mapping);
diWriteSpecial(ipbmap, 0);

--
1.9.1