From 7b0e39030c6b887f9e9e158f3a312dbbeb127e33 Mon Sep 17 00:00:00 2001
From: Ryan Moeller <ryan@iXsystems.com>
Date: Tue, 19 May 2020 19:45:25 -0400
Subject: [PATCH] freebsd: Correct the order of arguments to copyin() for
 Q_SETQUOTA

Sponsored by: DARPA
External-issue: https://reviews.freebsd.org/D24656
FreeBSD-commit: freebsd/freebsd@a431c095d32df45a31faad8382b9bc712480e27e

Authored by: jhb <jhb@FreeBSD.org>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Ported-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10344
---
 module/os/freebsd/zfs/zfs_vfsops.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/module/os/freebsd/zfs/zfs_vfsops.c b/module/os/freebsd/zfs/zfs_vfsops.c
index d6f7fc11e..246d406d1 100644
--- a/module/os/freebsd/zfs/zfs_vfsops.c
+++ b/module/os/freebsd/zfs/zfs_vfsops.c
@@ -352,7 +352,7 @@ zfs_quotactl(vfs_t *vfsp, int cmds, uid_t id, void *arg)
 		vfs_unbusy(vfsp);
 		break;
 	case Q_SETQUOTA:
-		error = copyin(&dqblk, arg, sizeof (dqblk));
+		error = copyin(arg, &dqblk, sizeof (dqblk));
 		if (error == 0)
 			error = zfs_set_userquota(zfsvfs, quota_type,
 			    "", id, dbtob(dqblk.dqb_bhardlimit));