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Subject[PATCH] jfs: jump to error_out when filemap_{fdatawait, write_and_wait} fails
Date
filemap_fdatawait/filemap_write_and_wait may fail, so check the return
value and jump to error_out in the case of error.

Signed-off-by: Quorum Laval <quorum.laval@gmail.com>
---
fs/jfs/resize.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/fs/jfs/resize.c b/fs/jfs/resize.c
index 90b3bc2..bd9b641 100644
--- a/fs/jfs/resize.c
+++ b/fs/jfs/resize.c
@@ -379,8 +379,14 @@ 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);
- filemap_write_and_wait(ipbmap->i_mapping);
+ rc = filemap_fdatawait(ipbmap->i_mapping);
+ if (rc)
+ goto error_out;
+
+ 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
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