xfs: do the ASSERT for the arguments O_{u,g,p}dqpp

If we pass in XFS_QMOPT_{U,G,P}QUOTA flags and different uid/gid/prid
than them currently associated with the inode, the arguments
O_{u,g,p}dqpp shouldn't be NULL, so add the ASSERT for them.

Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index 44509de..b2a9abe 100644 (file)
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -1662,6 +1662,7 @@ xfs_qm_vop_dqalloc(
        }
 
        if ((flags & XFS_QMOPT_UQUOTA) && XFS_IS_UQUOTA_ON(mp)) {
+               ASSERT(O_udqpp);
                if (!uid_eq(inode->i_uid, uid)) {
                        /*
                         * What we need is the dquot that has this uid, and
@@ -1695,6 +1696,7 @@ xfs_qm_vop_dqalloc(
                }
        }
        if ((flags & XFS_QMOPT_GQUOTA) && XFS_IS_GQUOTA_ON(mp)) {
+               ASSERT(O_gdqpp);
                if (!gid_eq(inode->i_gid, gid)) {
                        xfs_iunlock(ip, lockflags);
                        error = xfs_qm_dqget(mp, from_kgid(user_ns, gid),
@@ -1712,6 +1714,7 @@ xfs_qm_vop_dqalloc(
                }
        }
        if ((flags & XFS_QMOPT_PQUOTA) && XFS_IS_PQUOTA_ON(mp)) {
+               ASSERT(O_pdqpp);
                if (ip->i_d.di_projid != prid) {
                        xfs_iunlock(ip, lockflags);
                        error = xfs_qm_dqget(mp, prid,