[PATCH 1/3] Fix usage of virDomainDefCompatibleDevice

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A device needs to be checked for compatibility with the domain
definition it corresponds to. Specifically, for VIR_DOMAIN_AFFECT_CONFIG
case we should check against persistent def rather than active def.

Signed-off-by: Jiri Denemark <jdenemar@xxxxxxxxxx>
---
 src/lxc/lxc_driver.c   | 20 +++++++++++---------
 src/qemu/qemu_driver.c | 20 +++++++++++---------
 2 files changed, 22 insertions(+), 18 deletions(-)

diff --git a/src/lxc/lxc_driver.c b/src/lxc/lxc_driver.c
index 1ae04c5..ca82fd2 100644
--- a/src/lxc/lxc_driver.c
+++ b/src/lxc/lxc_driver.c
@@ -5015,13 +5015,14 @@ static int lxcDomainAttachDeviceFlags(virDomainPtr dom,
     }
 
     if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
-        if (virDomainDefCompatibleDevice(vm->def, dev) < 0)
-            goto cleanup;
-
         /* Make a copy for updated domain. */
         vmdef = virDomainObjCopyPersistentDef(vm, caps, driver->xmlopt);
         if (!vmdef)
             goto cleanup;
+
+        if (virDomainDefCompatibleDevice(vmdef, dev) < 0)
+            goto cleanup;
+
         if ((ret = lxcDomainAttachDeviceConfig(vmdef, dev)) < 0)
             goto cleanup;
     }
@@ -5141,13 +5142,14 @@ static int lxcDomainUpdateDeviceFlags(virDomainPtr dom,
     }
 
     if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
-        if (virDomainDefCompatibleDevice(vm->def, dev) < 0)
-            goto cleanup;
-
         /* Make a copy for updated domain. */
         vmdef = virDomainObjCopyPersistentDef(vm, caps, driver->xmlopt);
         if (!vmdef)
             goto cleanup;
+
+        if (virDomainDefCompatibleDevice(vmdef, dev) < 0)
+            goto cleanup;
+
         if ((ret = lxcDomainUpdateDeviceConfig(vmdef, dev)) < 0)
             goto cleanup;
     }
@@ -5251,14 +5253,14 @@ static int lxcDomainDetachDeviceFlags(virDomainPtr dom,
     }
 
     if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
-        if (virDomainDefCompatibleDevice(vm->def, dev) < 0)
-            goto cleanup;
-
         /* Make a copy for updated domain. */
         vmdef = virDomainObjCopyPersistentDef(vm, caps, driver->xmlopt);
         if (!vmdef)
             goto cleanup;
 
+        if (virDomainDefCompatibleDevice(vmdef, dev) < 0)
+            goto cleanup;
+
         if ((ret = lxcDomainDetachDeviceConfig(vmdef, dev)) < 0)
             goto cleanup;
     }
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 2707bec..8ec8912 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -6946,13 +6946,14 @@ static int qemuDomainAttachDeviceFlags(virDomainPtr dom, const char *xml,
         goto cleanup;
 
     if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
-        if (virDomainDefCompatibleDevice(vm->def, dev) < 0)
-            goto endjob;
-
         /* Make a copy for updated domain. */
         vmdef = virDomainObjCopyPersistentDef(vm, caps, driver->xmlopt);
         if (!vmdef)
             goto endjob;
+
+        if (virDomainDefCompatibleDevice(vmdef, dev) < 0)
+            goto endjob;
+
         if ((ret = qemuDomainAttachDeviceConfig(qemuCaps, vmdef, dev)) < 0)
             goto endjob;
     }
@@ -7089,14 +7090,14 @@ static int qemuDomainUpdateDeviceFlags(virDomainPtr dom,
         goto cleanup;
 
     if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
-        if (virDomainDefCompatibleDevice(vm->def, dev) < 0)
-            goto endjob;
-
         /* Make a copy for updated domain. */
         vmdef = virDomainObjCopyPersistentDef(vm, caps, driver->xmlopt);
         if (!vmdef)
             goto endjob;
 
+        if (virDomainDefCompatibleDevice(vmdef, dev) < 0)
+            goto endjob;
+
         if ((ret = qemuDomainUpdateDeviceConfig(qemuCaps, vmdef, dev)) < 0)
             goto endjob;
     }
@@ -7228,13 +7229,14 @@ static int qemuDomainDetachDeviceFlags(virDomainPtr dom, const char *xml,
         goto cleanup;
 
     if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
-        if (virDomainDefCompatibleDevice(vm->def, dev) < 0)
-            goto endjob;
-
         /* Make a copy for updated domain. */
         vmdef = virDomainObjCopyPersistentDef(vm, caps, driver->xmlopt);
         if (!vmdef)
             goto endjob;
+
+        if (virDomainDefCompatibleDevice(vmdef, dev) < 0)
+            goto endjob;
+
         if ((ret = qemuDomainDetachDeviceConfig(vmdef, dev)) < 0)
             goto endjob;
     }
-- 
1.9.1

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