Unverified Commit 72d0ce6c authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!12977 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/ILTG4LQAPABW5MCZVE2B2S4THYP45774/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAYRBQ 
 
Link:https://gitee.com/openeuler/kernel/pulls/12977

 

Reviewed-by: default avatarZhang Peng <zhangpeng362@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents ed0a2bc9 1a584285

fs/ext4/super.c

+2 −1
Original line number Diff line number Diff line
@@ -5458,6 +5458,8 @@ static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb) 
	INIT_LIST_HEAD(&sbi->s_orphan); /* unlinked but open files */

	mutex_init(&sbi->s_orphan_lock);



	spin_lock_init(&sbi->s_bdev_wb_lock);



	ext4_fast_commit_init(sb);



	sb->s_root = NULL;
@@ -5678,7 +5680,6 @@ static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb) 
	 * 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);

	EXT4_SB(sb)->s_mount_state |= EXT4_ORPHAN_FS;