Commit 6575b8c9 authored by Kent Overstreet's avatar Kent Overstreet
Browse files

bcachefs: Fix locking in bch2_ioc_setlabel() 



Fixes: 7a254053 ("bcachefs: support FS_IOC_SETFSLABEL")
Reported-by: default avatar <syzbot+7e9efdfec27fbde0141d@syzkaller.appspotmail.com>
Signed-off-by: default avatarKent Overstreet <kent.overstreet@linux.dev>
parent 5dbfc4ef

fs/bcachefs/fs-ioctl.c

+1 −2
Original line number Diff line number Diff line
@@ -328,9 +328,8 @@ static int bch2_ioc_setlabel(struct bch_fs *c, 


	mutex_lock(&c->sb_lock);

	strscpy(c->disk_sb.sb->label, label, BCH_SB_LABEL_SIZE);

	mutex_unlock(&c->sb_lock);



	ret = bch2_write_super(c);

	mutex_unlock(&c->sb_lock);



	mnt_drop_write_file(file);

	return ret;