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From 41f6c2fa241ddd68564f537ae58af8016d75bf4e Mon Sep 17 00:00:00 2001
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Message-Id: <41f6c2fa241ddd68564f537ae58af8016d75bf4e@dist-git>
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From: John Ferlan <jferlan@redhat.com>
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Date: Tue, 28 Oct 2014 22:28:42 -0400
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Subject: [PATCH] qemu: Remove possible NULL deref in debug output
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Check for !dev->info.alias was done after a VIR_DEBUG() statement
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that already tried to print - just flip sequence
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https://bugzilla.redhat.com/show_bug.cgi?id=1141621
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(cherry picked from commit b7890a8c28f79e958e5146c85e366f1c69ca1304)
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Signed-off-by: John Ferlan <jferlan@redhat.com>
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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---
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 src/qemu/qemu_hotplug.c | 4 ++--
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 1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
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index 14acac0..e5e5180 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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@@ -1886,14 +1886,14 @@ int qemuDomainChangeNetLinkState(virQEMUDriverPtr driver,
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     int ret = -1;
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     qemuDomainObjPrivatePtr priv = vm->privateData;
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-    VIR_DEBUG("dev: %s, state: %d", dev->info.alias, linkstate);
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-
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     if (!dev->info.alias) {
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         virReportError(VIR_ERR_OPERATION_FAILED, "%s",
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                        _("can't change link state: device alias not found"));
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         return -1;
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     }
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+    VIR_DEBUG("dev: %s, state: %d", dev->info.alias, linkstate);
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+
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     qemuDomainObjEnterMonitor(driver, vm);
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     ret = qemuMonitorSetLink(priv->mon, dev->info.alias, linkstate);
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-- 
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2.1.3
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