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From 2cd283cab24c3765c11a19897d4ee3f1ce37000f Mon Sep 17 00:00:00 2001
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Message-Id: <2cd283cab24c3765c11a19897d4ee3f1ce37000f.1387298827.git.minovotn@redhat.com>
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In-Reply-To: <3ed0fb61a3dc912ef036d7ef450bed192090709e.1387298827.git.minovotn@redhat.com>
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References: <3ed0fb61a3dc912ef036d7ef450bed192090709e.1387298827.git.minovotn@redhat.com>
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From: "Michael S. Tsirkin" <mst@redhat.com>
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Date: Tue, 17 Dec 2013 15:17:29 +0100
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Subject: [PATCH 16/56] pc: don't access fw cfg if NULL
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RH-Author: Michael S. Tsirkin <mst@redhat.com>
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Message-id: <1387293161-4085-17-git-send-email-mst@redhat.com>
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Patchwork-id: 56322
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O-Subject: [PATCH qemu-kvm RHEL7.0 v2 16/57] pc: don't access fw cfg if NULL
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Bugzilla: 1034876
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RH-Acked-by: Igor Mammedov <imammedo@redhat.com>
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RH-Acked-by: Marcel Apfelbaum <marcel.a@redhat.com>
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RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
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commit f8c457b88d72a48989f190bc3d7b79f4f3b7d11c
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     "pc: pass PCI hole ranges to Guests"
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broke Xen as it has no fw_cfg.
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Check for this configuration and boil out.
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Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Tested-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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(cherry picked from commit d26d9e14c15837eba2b7447e8d15230bab8e0940)
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---
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 hw/i386/pc.c | 2 +-
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 1 file changed, 1 insertion(+), 1 deletion(-)
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Signed-off-by: Michal Novotny <minovotn@redhat.com>
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---
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 hw/i386/pc.c | 2 +-
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 1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/hw/i386/pc.c b/hw/i386/pc.c
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index 238f6a0..9d9f5d2 100644
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--- a/hw/i386/pc.c
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+++ b/hw/i386/pc.c
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@@ -996,7 +996,7 @@ typedef struct PcRomPciInfo {
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 static void pc_fw_cfg_guest_info(PcGuestInfo *guest_info)
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 {
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     PcRomPciInfo *info;
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-    if (!guest_info->has_pci_info) {
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+    if (!guest_info->has_pci_info || !guest_info->fw_cfg) {
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         return;
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     }
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-- 
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1.7.11.7
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