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-rw-r--r--fs/xfs/quota/xfs_qm_syscalls.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c
index 26fa43140f2..92b002f1805 100644
--- a/fs/xfs/quota/xfs_qm_syscalls.c
+++ b/fs/xfs/quota/xfs_qm_syscalls.c
@@ -448,6 +448,9 @@ xfs_qm_scall_getqstat(
return 0;
}
+#define XFS_DQ_MASK \
+ (FS_DQ_LIMIT_MASK | FS_DQ_TIMER_MASK | FS_DQ_WARNS_MASK)
+
/*
* Adjust quota limits, and start/stop timers accordingly.
*/
@@ -465,9 +468,10 @@ xfs_qm_scall_setqlim(
int error;
xfs_qcnt_t hard, soft;
- if ((newlim->d_fieldmask &
- (FS_DQ_LIMIT_MASK|FS_DQ_TIMER_MASK|FS_DQ_WARNS_MASK)) == 0)
- return (0);
+ if (newlim->d_fieldmask & ~XFS_DQ_MASK)
+ return EINVAL;
+ if ((newlim->d_fieldmask & XFS_DQ_MASK) == 0)
+ return 0;
tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM);
if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_disk_dquot_t) + 128,