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f2fs: fix ERR_PTR returned by bio

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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>
This commit is contained in:
Jaegeuk Kim 2016-07-12 09:38:48 -07:00
parent b56ab837a0
commit 1d353eb7e4
1 changed files with 3 additions and 1 deletions
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4
fs/f2fs/data.c
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@ -1085,9 +1085,11 @@ static int f2fs_mpage_readpages(struct address_space *mapping,
} }
if (bio == NULL) { if (bio == NULL) {
bio = f2fs_grab_bio(inode, block_nr, nr_pages); bio = f2fs_grab_bio(inode, block_nr, nr_pages);
if (IS_ERR(bio)) if (IS_ERR(bio)) {
bio = NULL;
goto set_error_page; goto set_error_page;
} }
}
if (bio_add_page(bio, page, blocksize, 0) < blocksize) if (bio_add_page(bio, page, blocksize, 0) < blocksize)
goto submit_and_realloc; goto submit_and_realloc;