qemu/backends-iommufd-Remove-check-on-number-of-backend-u.patch

38 lines
1.2 KiB
Diff
Raw Normal View History

From e2bc395c5db34111faf2adcecdb385e5a4e8d23d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= <clg@redhat.com>
Date: Fri, 22 Dec 2023 08:55:23 +0100
Subject: [PATCH] backends/iommufd: Remove check on number of backend users
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
QOM already has a ref count on objects and it will assert much
earlier, when INT_MAX is reached.
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
---
backends/iommufd.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/backends/iommufd.c b/backends/iommufd.c
index 4f5df63331..f17a846aab 100644
--- a/backends/iommufd.c
+++ b/backends/iommufd.c
@@ -81,11 +81,6 @@ int iommufd_backend_connect(IOMMUFDBackend *be, Error **errp)
int fd, ret = 0;
qemu_mutex_lock(&be->lock);
- if (be->users == UINT32_MAX) {
- error_setg(errp, "too many connections");
- ret = -E2BIG;
- goto out;
- }
if (be->owned && !be->users) {
fd = qemu_open_old("/dev/iommu", O_RDWR);
if (fd < 0) {
--
2.41.0.windows.1