[libvirt] [PATCH 1/5] qemu_hotplug: Properly check for qemuMonitorDelDevice retval

Michal Privoznik mprivozn at redhat.com
Tue Mar 12 15:13:16 UTC 2019


Luckily, the function returns only 0 or -1 so all the checks work
as expected. Anyway, our rule is that a positive value means
success so if the function ever returns a positive value these
checks will fail. Make them check for a negative value properly.

Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
---
 src/qemu/qemu_hotplug.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index 19b7e6e8ea..f43f80668c 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -5457,11 +5457,11 @@ int qemuDomainDetachControllerDevice(virQEMUDriverPtr driver,
 
     qemuDomainObjEnterMonitor(driver, vm);
     if (detach->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI &&
-        qemuDomainDetachExtensionDevice(priv->mon, &detach->info)) {
+        qemuDomainDetachExtensionDevice(priv->mon, &detach->info) < 0) {
         goto exit_monitor;
     }
 
-    if (qemuMonitorDelDevice(priv->mon, detach->info.alias)) {
+    if (qemuMonitorDelDevice(priv->mon, detach->info.alias) < 0) {
         ignore_value(qemuDomainObjExitMonitor(driver, vm));
         goto cleanup;
     }
@@ -6975,7 +6975,7 @@ qemuDomainDetachInputDevice(virDomainObjPtr vm,
         qemuDomainMarkDeviceForRemoval(vm, &input->info);
 
     qemuDomainObjEnterMonitor(driver, vm);
-    if (qemuMonitorDelDevice(priv->mon, input->info.alias)) {
+    if (qemuMonitorDelDevice(priv->mon, input->info.alias) < 0) {
         ignore_value(qemuDomainObjExitMonitor(driver, vm));
         goto cleanup;
     }
@@ -7018,7 +7018,7 @@ qemuDomainDetachVsockDevice(virDomainObjPtr vm,
         qemuDomainMarkDeviceForRemoval(vm, &vsock->info);
 
     qemuDomainObjEnterMonitor(driver, vm);
-    if (qemuMonitorDelDevice(priv->mon, vsock->info.alias)) {
+    if (qemuMonitorDelDevice(priv->mon, vsock->info.alias) < 0) {
         ignore_value(qemuDomainObjExitMonitor(driver, vm));
         goto cleanup;
     }
-- 
2.19.2




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