Unverified Commit 0dec8be2 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!12962 ext4: fix access to uninitialised lock in fc replay path 

Merge Pull Request from: @ci-robot 
 
PR sync from: Yongjian Sun <sunyongjian1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/LLUVA3JJKF653MIBVF6UJTO2ZY5XYFMJ/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAYRBQ 
 
Link:https://gitee.com/openeuler/kernel/pulls/12962

 

Reviewed-by: default avatarYang Yingliang <yangyingliang@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents 3df9f4f6 aaf38f78

fs/ext4/super.c

+2 −1
Original line number Diff line number Diff line
@@ -4844,6 +4844,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) 
	INIT_LIST_HEAD(&sbi->s_orphan); /* unlinked but open files */

	mutex_init(&sbi->s_orphan_lock);



	spin_lock_init(&sbi->s_bdev_wb_lock);



	/* Initialize fast commit stuff */

	atomic_set(&sbi->s_fc_subtid, 0);

	atomic_set(&sbi->s_fc_ineligible_updates, 0);
@@ -5160,7 +5162,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) 
	 * Save the original bdev mapping's wb_err value which could be

	 * used to detect the metadata async write error.

	 */

	spin_lock_init(&sbi->s_bdev_wb_lock);

	errseq_check_and_advance(&sb->s_bdev->bd_inode->i_mapping->wb_err,

				 &sbi->s_bdev_wb_err);

	sb->s_bdev->bd_super = sb;