[PATCH 2/2] jfs: jump to error_out when filemap_write_and_wait fails

From: Quorum Laval
Date: Mon Aug 22 2016 - 16:29:14 EST


filemap_write_and_wait may fails, 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 b0322da..bd9b641 100644
--- a/fs/jfs/resize.c
+++ b/fs/jfs/resize.c
@@ -383,7 +383,10 @@ int jfs_extendfs(struct super_block *sb, s64 newLVSize, int newLogSize)
if (rc)
goto error_out;

- filemap_write_and_wait(ipbmap->i_mapping);
+ rc = filemap_write_and_wait(ipbmap->i_mapping);
+ if (rc)
+ goto error_out;
+
diWriteSpecial(ipbmap, 0);

newPage = nPages; /* first new page number */
--
1.9.1