d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

In dqsync(), when called from quotactl(), um_quotas entry might appear

Browse Source 
cleared since nothing prevents completion of the parallel quotaoff.
There is nothing to sync in this case, and no reason to panic.

Reported and tested by:	pho
Reviewed by:	mckusick
Sponsored by:	The FreeBSD Foundation
MFC after:	2 weeks
This commit is contained in:
Konstantin Belousov 2016-09-08 12:06:43 +00:00
parent 60f1c000f3
commit e599d951e3
1 changed files with 7 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
sys/ufs/ufs/ufs_quota.c
View File

@ -1538,8 +1538,13 @@ dqsync(struct vnode *vp, struct dquot *dq)
if ((ump = dq->dq_ump) == NULL) if ((ump = dq->dq_ump) == NULL)
return (0); return (0);
UFS_LOCK(ump); UFS_LOCK(ump);
if ((dqvp = ump->um_quotas[dq->dq_type]) == NULLVP) if ((dqvp = ump->um_quotas[dq->dq_type]) == NULLVP) {
panic("dqsync: file"); if (vp == NULL) {
UFS_UNLOCK(ump);
return (0);
} else
panic("dqsync: file");
}
vref(dqvp); vref(dqvp);
UFS_UNLOCK(ump); UFS_UNLOCK(ump);