Unverified Commit e04cbbbd authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!14186 nilfs2: fix null-ptr-deref in block_touch_buffer tracepoint 

Merge Pull Request from: @ci-robot 
 
PR sync from: He Yujie <coka.heyujie@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/PJBO3SWQC3GQPWPKB77EFADT5654VRTF/ 
 
https://gitee.com/src-openeuler/kernel/issues/IB956P 
 
Link:https://gitee.com/openeuler/kernel/pulls/14186

 

Reviewed-by: default avatarzhangyi (F) <yi.zhang@huawei.com>
Reviewed-by: default avatarYuan Can <yuancan@huawei.com>
Signed-off-by: default avatarYuan Can <yuancan@huawei.com>
parents 400eaf3b 5b875b7e

fs/nilfs2/page.c

+0 −1
Original line number Diff line number Diff line
@@ -39,7 +39,6 @@ __nilfs_get_page_block(struct page *page, unsigned long block, pgoff_t index, 
	first_block = (unsigned long)index << (PAGE_SHIFT - blkbits);

	bh = nilfs_page_get_nth_block(page, block - first_block);



	touch_buffer(bh);

	wait_on_buffer(bh);

	return bh;

}