51 lines
1.6 KiB
Diff
51 lines
1.6 KiB
Diff
From d04ac8624f5fabe7587982796f2e2161220b0fcc Mon Sep 17 00:00:00 2001
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From: Mark McLoughlin <markmc@redhat.com>
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Date: Thu, 17 Sep 2009 15:32:45 +0100
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Subject: [PATCH] Fix leak in PCI hostdev hot-unplug
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* src/qemu_driver.c: sync the hostdev hot-unplug code with the disk/net
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code.
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(cherry-picked from commit a70da51ff76ed860bfc0cdee2e1d556da997c557)
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Fedora-patch: libvirt-fix-pci-hostdev-hotunplug-leak.patch
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---
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src/qemu_driver.c | 20 +++++++++++++-------
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1 files changed, 13 insertions(+), 7 deletions(-)
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diff --git a/src/qemu_driver.c b/src/qemu_driver.c
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index de31581..2ddcdc0 100644
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--- a/src/qemu_driver.c
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+++ b/src/qemu_driver.c
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@@ -6206,14 +6206,20 @@ static int qemudDomainDetachHostPciDevice(virConnectPtr conn,
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pciFreeDevice(conn, pci);
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}
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- if (i != --vm->def->nhostdevs)
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- memmove(&vm->def->hostdevs[i],
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- &vm->def->hostdevs[i+1],
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- sizeof(*vm->def->hostdevs) * (vm->def->nhostdevs-i));
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- if (VIR_REALLOC_N(vm->def->hostdevs, vm->def->nhostdevs) < 0) {
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- virReportOOMError(conn);
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- ret = -1;
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+ if (vm->def->nhostdevs > 1) {
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+ memmove(vm->def->hostdevs + i,
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+ vm->def->hostdevs + i + 1,
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+ sizeof(*vm->def->hostdevs) *
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+ (vm->def->nhostdevs - (i + 1)));
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+ vm->def->nhostdevs--;
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+ if (VIR_REALLOC_N(vm->def->hostdevs, vm->def->nhostdevs) < 0) {
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+ /* ignore, harmless */
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+ }
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+ } else {
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+ VIR_FREE(vm->def->hostdevs);
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+ vm->def->nhostdevs = 0;
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}
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+ virDomainHostdevDefFree(detach);
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return ret;
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}
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--
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1.6.2.5
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