External/libvirt
1
0
Fork 0
mirror of https://gitlab.com/libvirt/libvirt.git synced 2025-01-23 04:55:18 +00:00
Code Issues Packages Projects Releases Wiki Activity

qemu: Clean up error path in qemuDomainAttachRedirdevDevice

Browse Source 
It's about to get more complicated - let's alter the logic to handle
various failures. Adds saving of the error as well.
This commit is contained in:
John Ferlan 2016-10-21 09:53:30 -04:00
parent 8b82355e51
commit 7300ca2134
1 changed files with 19 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
src/qemu/qemu_hotplug.c
View File

@ -1509,6 +1509,8 @@ int qemuDomainAttachRedirdevDevice(virQEMUDriverPtr driver,
virDomainDefPtr def = vm->def;
char *charAlias = NULL;
char *devstr = NULL;
bool chardevAdded = false;
virErrorPtr orig_err;
if (qemuAssignDeviceRedirdevAlias(def, redirdev, -1) < 0)
goto cleanup;
@ -1525,17 +1527,12 @@ int qemuDomainAttachRedirdevDevice(virQEMUDriverPtr driver,
qemuDomainObjEnterMonitor(driver, vm);
if (qemuMonitorAttachCharDev(priv->mon,
charAlias,
redirdev->source.chr) < 0) {
ignore_value(qemuDomainObjExitMonitor(driver, vm));
goto audit;
}
redirdev->source.chr) < 0)
goto exit_monitor;
chardevAdded = true;
if (qemuMonitorAddDevice(priv->mon, devstr) < 0) {
/* detach associated chardev on error */
qemuMonitorDetachCharDev(priv->mon, charAlias);
ignore_value(qemuDomainObjExitMonitor(driver, vm));
goto audit;
}
if (qemuMonitorAddDevice(priv->mon, devstr) < 0)
goto exit_monitor;
if (qemuDomainObjExitMonitor(driver, vm) < 0)
goto audit;
@ -1548,6 +1545,18 @@ int qemuDomainAttachRedirdevDevice(virQEMUDriverPtr driver,
VIR_FREE(charAlias);
VIR_FREE(devstr);
return ret;
exit_monitor:
orig_err = virSaveLastError();
/* detach associated chardev on error */
if (chardevAdded)
ignore_value(qemuMonitorDetachCharDev(priv->mon, charAlias));
if (orig_err) {
virSetError(orig_err);
virFreeError(orig_err);
}
ignore_value(qemuDomainObjExitMonitor(driver, vm));
goto audit;
}
static int