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Fix some locking issues

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* src/conf/domain_conf.c: don't call virDomainObjUnlock twice
* src/qemu/qemu_driver.c: relock driver lock if an error occurs in
  qemuDomainObjBeginJobWithDriver, enter/exit monitor with driver
  in qemudDomainSave
This commit is contained in:
Matthias Bolte 2009-12-03 00:03:06 +01:00
parent 816d79143b
commit 7a18fbeeb8
2 changed files with 5 additions and 5 deletions
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1
src/conf/domain_conf.c
View File

@ -5317,7 +5317,6 @@ virDomainObjIsDuplicate(virDomainObjListPtr doms,
}
dupVM = 1;
virDomainObjUnlock(vm);
} else {
/* UUID does not match, but if a name matches, refuse it */
vm = virDomainFindByName(doms, def->name);

9
src/qemu/qemu_driver.c
View File

@ -229,6 +229,7 @@ static int qemuDomainObjBeginJobWithDriver(struct qemud_driver *driver,
else
virReportSystemError(NULL, errno,
"%s", _("cannot acquire job mutex"));
qemuDriverLock(driver);
return -1;
}
}
@ -3471,9 +3472,9 @@ static int qemudDomainSave(virDomainPtr dom,
if (header.compressed == QEMUD_SAVE_FORMAT_RAW) {
const char *args[] = { "cat", NULL };
qemuDomainObjPrivatePtr priv = vm->privateData;
qemuDomainObjEnterMonitor(vm);
qemuDomainObjEnterMonitorWithDriver(driver, vm);
rc = qemuMonitorMigrateToCommand(priv->mon, 0, args, path);
qemuDomainObjExitMonitor(vm);
qemuDomainObjExitMonitorWithDriver(driver, vm);
} else {
const char *prog = qemudSaveCompressionTypeToString(header.compressed);
qemuDomainObjPrivatePtr priv = vm->privateData;
@ -3482,9 +3483,9 @@ static int qemudDomainSave(virDomainPtr dom,
"-c",
NULL
};
qemuDomainObjEnterMonitor(vm);
qemuDomainObjEnterMonitorWithDriver(driver, vm);
rc = qemuMonitorMigrateToCommand(priv->mon, 0, args, path);
qemuDomainObjExitMonitor(vm);
qemuDomainObjExitMonitorWithDriver(driver, vm);
}
if (rc < 0)