File hw-block-fdc-Fix-fallback-property-on-sy.patch of Package qemu.28166

From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <f4bug@amsat.org>
Date: Wed, 7 Apr 2021 15:37:42 +0200
Subject: hw/block/fdc: Fix 'fallback' property on sysbus floppy disk
 controllers
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Git-commit: da64789d3a16b2c5b5f1be9c75b00c2b8ae393a0

Setting the 'fallback' property corrupts the QOM instance state
(FDCtrlSysBus) because it accesses an incorrect offset (it uses
the offset of the FDCtrlISABus state).

Cc: qemu-stable@nongnu.org
Fixes: a73275dd6fc ("fdc: Add fallback option")
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210407133742.1680424-1-f4bug@amsat.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Bruce Rogers <brogers@suse.com>
---
 hw/block/fdc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/block/fdc.c b/hw/block/fdc.c
index d6ba6c8f730092632770cf66908b..11a43cd4a18c02e3492d3f171049 100644
--- a/hw/block/fdc.c
+++ b/hw/block/fdc.c
@@ -2961,7 +2961,7 @@ static Property sysbus_fdc_properties[] = {
     DEFINE_PROP_SIGNED("fdtypeB", FDCtrlSysBus, state.qdev_for_drives[1].type,
                         FLOPPY_DRIVE_TYPE_AUTO, qdev_prop_fdc_drive_type,
                         FloppyDriveType),
-    DEFINE_PROP_SIGNED("fallback", FDCtrlISABus, state.fallback,
+    DEFINE_PROP_SIGNED("fallback", FDCtrlSysBus, state.fallback,
                         FLOPPY_DRIVE_TYPE_144, qdev_prop_fdc_drive_type,
                         FloppyDriveType),
     DEFINE_PROP_END_OF_LIST(),
@@ -2987,7 +2987,7 @@ static Property sun4m_fdc_properties[] = {
     DEFINE_PROP_SIGNED("fdtype", FDCtrlSysBus, state.qdev_for_drives[0].type,
                         FLOPPY_DRIVE_TYPE_AUTO, qdev_prop_fdc_drive_type,
                         FloppyDriveType),
-    DEFINE_PROP_SIGNED("fallback", FDCtrlISABus, state.fallback,
+    DEFINE_PROP_SIGNED("fallback", FDCtrlSysBus, state.fallback,
                         FLOPPY_DRIVE_TYPE_144, qdev_prop_fdc_drive_type,
                         FloppyDriveType),
     DEFINE_PROP_END_OF_LIST(),