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From 2aadab4741e8637196e729044893584bf4bde33f Mon Sep 17 00:00:00 2001
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Message-Id: <2aadab4741e8637196e729044893584bf4bde33f@dist-git>
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From: Michal Privoznik <mprivozn@redhat.com>
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Date: Thu, 25 Apr 2019 09:24:47 +0200
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Subject: [PATCH] qemu_hotplug: Initialize @charAlias in
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qemuDomainRemoveChrDevice
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My change in 112f3a8d0f32 was too drastic. The @charAlias
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variable is initialized only if @monitor == true. However, it is
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used even outside of that condition, at which point it's just
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uninitialized pointer.
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Reported-by: John Ferlan <jferlan@redhat.com>
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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Reviewed-by: John Ferlan <jferlan@redhat.com>
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(cherry picked from commit 4b23f18d2c9e13ac6f33fb45dbb79931082125bb)
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https://bugzilla.redhat.com/show_bug.cgi?id=1658198
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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Message-Id: <92831aceb87c1bc226a77904766f434d86f62675.1556177047.git.jdenemar@redhat.com>
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Acked-by: Michal Privoznik <mprivozn@redhat.com>
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---
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src/qemu/qemu_hotplug.c | 7 +++----
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1 file changed, 3 insertions(+), 4 deletions(-)
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diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
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index 7ad8007a3a..ca8b0aaf62 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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@@ -4364,13 +4364,12 @@ qemuDomainRemoveChrDevice(virQEMUDriverPtr driver,
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VIR_DEBUG("Removing character device %s from domain %p %s",
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chr->info.alias, vm, vm->def->name);
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- if (monitor) {
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- if (!(charAlias = qemuAliasChardevFromDevAlias(chr->info.alias)))
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- goto cleanup;
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+ if (!(charAlias = qemuAliasChardevFromDevAlias(chr->info.alias)))
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+ goto cleanup;
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+ if (monitor) {
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qemuDomainObjEnterMonitor(driver, vm);
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rc = qemuMonitorDetachCharDev(priv->mon, charAlias);
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-
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if (qemuDomainObjExitMonitor(driver, vm) < 0)
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goto cleanup;
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}
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--
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2.21.0
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