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From 6402d8133b33af901247afccdc78b332b453ff11 Mon Sep 17 00:00:00 2001
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Message-Id: <6402d8133b33af901247afccdc78b332b453ff11@dist-git>
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From: Michal Privoznik <mprivozn@redhat.com>
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Date: Thu, 18 Apr 2019 19:36:33 +0200
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Subject: [PATCH] qemu_hotplug: Check for duplicate drive addresses
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RHEL-7.7: https://bugzilla.redhat.com/show_bug.cgi?id=1692296
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RHEL-8.1.0: https://bugzilla.redhat.com/show_bug.cgi?id=1692354
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This tries to fix the same problem as f1d65853000 but it's doing
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so in a less invasive way.
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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Tested-by: Daniel Henrique Barboza <danielhb413@gmail.com>
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Reviewed-by: Jim Fehlig <jfehlig@suse.com>
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(cherry picked from commit ddc72f99027b063feaf34e5fda89916b6b2c8943)
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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Message-Id: <a40b26d1696401699fae7aeea2714f8b51935766.1555608962.git.mprivozn@redhat.com>
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Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
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---
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 src/qemu/qemu_hotplug.c | 6 ++++++
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 1 file changed, 6 insertions(+)
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diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
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index 397a2bdde2..776cd75474 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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@@ -612,6 +612,12 @@ qemuDomainAttachSCSIDisk(virQEMUDriverPtr driver,
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         return -1;
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     }
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+    if (virDomainSCSIDriveAddressIsUsed(vm->def, &disk->info.addr.drive)) {
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+        virReportError(VIR_ERR_OPERATION_INVALID, "%s",
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+                       _("Domain already contains a disk with that address"));
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+        return -1;
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+    }
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+
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     /* Let's make sure the disk has a controller defined and loaded before
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      * trying to add it. The controller used by the disk must exist before a
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      * qemu command line string is generated.
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-- 
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2.21.0
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