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>

parent b56ab837

fs/f2fs/data.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -1085,9 +1085,11 @@ static int f2fs_mpage_readpages(struct address_space *mapping,
		}
		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)
		goto submit_and_realloc;