arm64: perf: fix array out of bounds access in armpmu_map_hw_event()

[~andy/linux] / fs / xfs / xfs_qm_syscalls.c

diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
index a08801ae24e22bf281c6abdeedb1488224d4cbb8..e4f8b2d6f38ba1960beefe35cbd15b0066f530cf 100644 (file)
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -119,7 +119,8 @@ xfs_qm_scall_quotaoff(
                dqtype |= XFS_QMOPT_GQUOTA;
                flags |= (XFS_GQUOTA_CHKD | XFS_GQUOTA_ENFD);
                inactivate_flags |= XFS_GQUOTA_ACTIVE;
-       } else if (flags & XFS_PQUOTA_ACCT) {
+       }
+       if (flags & XFS_PQUOTA_ACCT) {
                dqtype |= XFS_QMOPT_PQUOTA;
                flags |= (XFS_PQUOTA_CHKD | XFS_PQUOTA_ENFD);
                inactivate_flags |= XFS_PQUOTA_ACTIVE;
@@ -198,10 +199,9 @@ xfs_qm_scall_quotaoff(
        }
 
        /*
-        * If quotas is completely disabled, close shop.
+        * If all quotas are completely turned off, close shop.
         */
-       if (((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET1) ||
-           ((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET2)) {
+       if (mp->m_qflags == 0) {
                mutex_unlock(&q->qi_quotaofflock);
                xfs_qm_destroy_quotainfo(mp);
                return (0);
@@ -214,10 +214,14 @@ xfs_qm_scall_quotaoff(
                IRELE(q->qi_uquotaip);
                q->qi_uquotaip = NULL;
        }
-       if ((dqtype & (XFS_QMOPT_GQUOTA|XFS_QMOPT_PQUOTA)) && q->qi_gquotaip) {
+       if ((dqtype & XFS_QMOPT_GQUOTA) && q->qi_gquotaip) {
                IRELE(q->qi_gquotaip);
                q->qi_gquotaip = NULL;
        }
+       if ((dqtype & XFS_QMOPT_PQUOTA) && q->qi_pquotaip) {
+               IRELE(q->qi_pquotaip);
+               q->qi_pquotaip = NULL;
+       }
 
 out_unlock:
        mutex_unlock(&q->qi_quotaofflock);
@@ -859,9 +863,11 @@ xfs_dqrele_inode(
 {
        /* skip quota inodes */
        if (ip == ip->i_mount->m_quotainfo->qi_uquotaip ||
-           ip == ip->i_mount->m_quotainfo->qi_gquotaip) {
+           ip == ip->i_mount->m_quotainfo->qi_gquotaip ||
+           ip == ip->i_mount->m_quotainfo->qi_pquotaip) {
                ASSERT(ip->i_udquot == NULL);
                ASSERT(ip->i_gdquot == NULL);
+               ASSERT(ip->i_pdquot == NULL);
                return 0;
        }
 
@@ -870,10 +876,14 @@ xfs_dqrele_inode(
                xfs_qm_dqrele(ip->i_udquot);
                ip->i_udquot = NULL;
        }
-       if (flags & (XFS_PQUOTA_ACCT|XFS_GQUOTA_ACCT) && ip->i_gdquot) {
+       if ((flags & XFS_GQUOTA_ACCT) && ip->i_gdquot) {
                xfs_qm_dqrele(ip->i_gdquot);
                ip->i_gdquot = NULL;
        }
+       if ((flags & XFS_PQUOTA_ACCT) && ip->i_pdquot) {
+               xfs_qm_dqrele(ip->i_pdquot);
+               ip->i_pdquot = NULL;
+       }
        xfs_iunlock(ip, XFS_ILOCK_EXCL);
        return 0;
 }