Unverified Commit 157d5d0e authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!14851 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/WFBKGAPANSUUU2QKYYOMMO2HB3RDIX7R/ 
 
https://gitee.com/src-openeuler/kernel/issues/IB5KQZ 
 
Link:https://gitee.com/openeuler/kernel/pulls/14851

 

Reviewed-by: default avatarLi Nan <linan122@huawei.com>
Signed-off-by: default avatarLi Nan <linan122@huawei.com>
parents 077fe6dc 0ac60bc0

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;

}