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From d50cf2d60114e7e33c2bd25fb67566a889057b77 Mon Sep 17 00:00:00 2001
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Message-Id: <d50cf2d60114e7e33c2bd25fb67566a889057b77@dist-git>
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From: Michal Privoznik <mprivozn@redhat.com>
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Date: Mon, 8 Apr 2019 10:57:30 +0200
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Subject: [PATCH] qemuDomainRemoveRNGDevice: Remove associated chardev too
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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https://bugzilla.redhat.com/show_bug.cgi?id=1656014
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An RNG device can consists of more devices than RND device
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itself. For instance, in case of EGD there is a chardev that
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connects to EGD daemon and feeds the qemu with random data. When
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doing RNG device removal we have to remove the associated chardev
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as well.
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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(cherry picked from commit 7730a2ead4279e3a11771e1069096747988410cf)
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https://bugzilla.redhat.com/show_bug.cgi?id=1508149
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Signed-off-by: Andrea Bolognani <abologna@redhat.com>
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Message-Id: <20190408085732.28684-14-abologna@redhat.com>
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Reviewed-by: Laine Stump <laine@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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src/qemu/qemu_hotplug.c | 16 +++++++++++++---
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1 file changed, 13 insertions(+), 3 deletions(-)
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diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
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index abe2632556..8394efa739 100644
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--- a/src/qemu/qemu_hotplug.c
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+++ b/src/qemu/qemu_hotplug.c
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@@ -4408,7 +4408,7 @@ qemuDomainRemoveRNGDevice(virQEMUDriverPtr driver,
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qemuDomainObjPrivatePtr priv = vm->privateData;
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ssize_t idx;
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int ret = -1;
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- int rc;
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+ int rc = 0;
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VIR_DEBUG("Removing RNG device %s from domain %p %s",
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rng->info.alias, vm, vm->def->name);
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@@ -4422,7 +4422,17 @@ qemuDomainRemoveRNGDevice(virQEMUDriverPtr driver,
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qemuDomainObjEnterMonitor(driver, vm);
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- rc = qemuMonitorDelObject(priv->mon, objAlias);
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+ if (qemuDomainDetachExtensionDevice(priv->mon, &rng->info) < 0)
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+ rc = -1;
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+
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+ if (rc == 0 &&
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+ qemuMonitorDelObject(priv->mon, objAlias) < 0)
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+ rc = -1;
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+
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+ if (rng->backend == VIR_DOMAIN_RNG_BACKEND_EGD &&
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+ rc == 0 &&
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+ qemuMonitorDetachCharDev(priv->mon, charAlias) < 0)
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+ rc = -1;
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if (qemuDomainObjExitMonitor(driver, vm) < 0)
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goto cleanup;
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@@ -4431,7 +4441,7 @@ qemuDomainRemoveRNGDevice(virQEMUDriverPtr driver,
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rc == 0 &&
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qemuDomainDelChardevTLSObjects(driver, vm, rng->source.chardev,
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charAlias) < 0)
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- goto cleanup;
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+ rc = -1;
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virDomainAuditRNG(vm, rng, NULL, "detach", rc == 0);
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--
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2.22.0
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