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From a40b8bfb775945aa62510f0a3f4a3301aa3d65fc Mon Sep 17 00:00:00 2001
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From: Paolo Bonzini <pbonzini@redhat.com>
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Date: Tue, 9 May 2017 11:24:34 +0200
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Subject: [PATCH 1/4] blockcmd: accept only disks and CD-ROMs
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RH-Author: Paolo Bonzini <pbonzini@redhat.com>
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Message-id: <20170509112437.30666-2-pbonzini@redhat.com>
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Patchwork-id: 75050
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O-Subject: [RHEL7.4 seabios PATCH 1/4] blockcmd: accept only disks and CD-ROMs
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Bugzilla: 1020622
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
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RH-Acked-by: Fam Zheng <famz@redhat.com>
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From: Roman Kagan <rkagan@virtuozzo.com>
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Luns that report to INQUIRY with a type other than CD-ROM are considered
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disks. This isn't necessarily the case; working with such luns as disks
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may lead to unpredictable results.
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So bail out if the lun is neither CD-ROM nor disk.
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Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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(cherry picked from commit 177aecfcf4161c53f503782e68608284b198c0f9)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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src/hw/blockcmd.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/src/hw/blockcmd.c b/src/hw/blockcmd.c
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index f147100..5ad128e 100644
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--- a/src/hw/blockcmd.c
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+++ b/src/hw/blockcmd.c
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@@ -217,6 +217,9 @@ scsi_drive_setup(struct drive_s *drive, const char *s, int prio)
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return 0;
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}
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+ if (pdt != SCSI_TYPE_DISK)
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+ return -1;
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+
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ret = scsi_is_ready(&dop);
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if (ret) {
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dprintf(1, "scsi_is_ready returned %d\n", ret);
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--
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1.8.3.1
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