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authorJaegeuk Kim <jaegeuk@kernel.org>2016-07-12 09:38:48 -0700
committerJaegeuk Kim <jaegeuk@kernel.org>2016-07-15 15:21:19 -0700
commit1d353eb7e43853335a3c535c204c4e86f82eaf66 (patch)
tree23a8b2b30eb3e96d598ac2c3c6606fdb2dbc3965 /fs/f2fs
parentb56ab837a06f3042a54b17a2a4ab3300eb03ecf5 (diff)
downloadlinux-1d353eb7e43853335a3c535c204c4e86f82eaf66.tar.bz2
f2fs: fix ERR_PTR returned by bio
This is to fix wrong error pointer handling flow reported by Dan. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/data.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 20b30162e7b4..650099597dd2 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1085,8 +1085,10 @@ submit_and_realloc:
}
if (bio == NULL) {
bio = f2fs_grab_bio(inode, block_nr, nr_pages);
- if (IS_ERR(bio))
+ if (IS_ERR(bio)) {
+ bio = NULL;
goto set_error_page;
+ }
}
if (bio_add_page(bio, page, blocksize, 0) < blocksize)