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authorZhenzhong Duan <zhenzhong.duan@intel.com>2025-04-23 15:28:22 +0800
committerCédric Le Goater <clg@redhat.com>2025-04-25 09:01:38 +0200
commit0327ffc8530e9733526fab6c790ad5f0661b008d (patch)
treed042b5ae47a0a054bd60e6b5b4865ab2bc7da9ba
parentc45d88b8a2f25600c69748bfcf37911412c396ab (diff)
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vfio/container: Move realize() after attachment
To match the change for IOMMUFD backend, move realize() after attachment for legacy backend too. Suggested-by: Cédric Le Goater <clg@redhat.com> Suggested-by: Donald Dutile <ddutile@redhat.com> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Link: https://lore.kernel.org/qemu-devel/20250423072824.3647952-4-zhenzhong.duan@intel.com Signed-off-by: Cédric Le Goater <clg@redhat.com>
-rw-r--r--hw/vfio/container.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/hw/vfio/container.c b/hw/vfio/container.c
index 7177747..652a6197 100644
--- a/hw/vfio/container.c
+++ b/hw/vfio/container.c
@@ -883,10 +883,6 @@ static bool vfio_legacy_attach_device(const char *name, VFIODevice *vbasedev,
trace_vfio_device_attach(vbasedev->name, groupid);
- if (!vfio_device_hiod_realize(vbasedev, errp)) {
- return false;
- }
-
group = vfio_group_get(groupid, as, errp);
if (!group) {
return false;
@@ -895,13 +891,15 @@ static bool vfio_legacy_attach_device(const char *name, VFIODevice *vbasedev,
QLIST_FOREACH(vbasedev_iter, &group->device_list, next) {
if (strcmp(vbasedev_iter->name, vbasedev->name) == 0) {
error_setg(errp, "device is already attached");
- vfio_group_put(group);
- return false;
+ goto group_put_exit;
}
}
if (!vfio_device_get(group, name, vbasedev, errp)) {
- vfio_group_put(group);
- return false;
+ goto group_put_exit;
+ }
+
+ if (!vfio_device_hiod_realize(vbasedev, errp)) {
+ goto device_put_exit;
}
bcontainer = &group->container->bcontainer;
@@ -910,6 +908,12 @@ static bool vfio_legacy_attach_device(const char *name, VFIODevice *vbasedev,
QLIST_INSERT_HEAD(&vfio_device_list, vbasedev, global_next);
return true;
+
+device_put_exit:
+ vfio_device_put(vbasedev);
+group_put_exit:
+ vfio_group_put(group);
+ return false;
}
static void vfio_legacy_detach_device(VFIODevice *vbasedev)