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From c0f26a13c6ddd9aca729012d3a31347f77d52c68 Mon Sep 17 00:00:00 2001
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Message-Id: <c0f26a13c6ddd9aca729012d3a31347f77d52c68@dist-git>
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From: John Ferlan <jferlan@redhat.com>
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Date: Mon, 17 Dec 2018 20:42:32 -0500
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Subject: [PATCH] qemu: Alter @val usage in qemuSetUnprivSGIO
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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=1656362 (RHEL8)
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https://bugzilla.redhat.com/show_bug.cgi?id=1656360 (RHEL7)
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RHEL-only
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Rather than initializing to -1 and then setting to the result
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of a boolean check (either 0 or 1), let's just initialize @val
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to 0 and then only change to 1 if conditions are "right".
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Signed-off-by: John Ferlan <jferlan@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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src/qemu/qemu_conf.c | 15 +++++++++------
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1 file changed, 9 insertions(+), 6 deletions(-)
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diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
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index 7d15af9c0b..de0cbca083 100644
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--- a/src/qemu/qemu_conf.c
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+++ b/src/qemu/qemu_conf.c
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@@ -1650,7 +1650,7 @@ qemuSetUnprivSGIO(virDomainDeviceDefPtr dev)
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char *sysfs_path = NULL;
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char *hostdev_path = NULL;
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const char *path = NULL;
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- int val = -1;
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+ int val = 0;
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int ret = -1;
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/* "sgio" is only valid for block disk; cdrom
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@@ -1682,11 +1682,14 @@ qemuSetUnprivSGIO(virDomainDeviceDefPtr dev)
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goto cleanup;
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/* By default, filter the SG_IO commands, i.e. set unpriv_sgio to 0. */
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- if (dev->type == VIR_DOMAIN_DEVICE_DISK)
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- val = (disk->sgio == VIR_DOMAIN_DEVICE_SGIO_UNFILTERED);
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- else
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- val = (hostdev->source.subsys.u.scsi.sgio ==
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- VIR_DOMAIN_DEVICE_SGIO_UNFILTERED);
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+ if (dev->type == VIR_DOMAIN_DEVICE_DISK &&
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+ disk->sgio == VIR_DOMAIN_DEVICE_SGIO_UNFILTERED) {
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+ val = 1;
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+ } else {
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+ if (hostdev->source.subsys.u.scsi.sgio ==
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+ VIR_DOMAIN_DEVICE_SGIO_UNFILTERED)
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+ val = 1;
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+ }
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/* Do not do anything if unpriv_sgio is not supported by the kernel and the
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* whitelist is enabled. But if requesting unfiltered access, always call
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--
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2.20.1
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