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[PATCH 46/64] audio: Never send migration section
From: |
Michael Roth |
Subject: |
[PATCH 46/64] audio: Never send migration section |
Date: |
Tue, 19 Oct 2021 09:09:26 -0500 |
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
The audio migration vmstate is empty, and always has been; we can't
just remove it though because an old qemu might send it us.
Changes with -audiodev now mean it's sometimes created when it didn't
used to be, and can confuse migration to old qemu.
Change it so that vmstate_audio is never sent; if it's received it
should still be accepted, and old qemu's shouldn't be too upset if it's
missing.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Tested-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20210809170956.78536-1-dgilbert@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit da77adbaf619c4d170cb42d769145ad1803fbad9)
Signed-off-by: Michael Roth <michael.roth@amd.com>
---
audio/audio.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/audio/audio.c b/audio/audio.c
index 534278edfe..fa724ea8e0 100644
--- a/audio/audio.c
+++ b/audio/audio.c
@@ -1621,10 +1621,20 @@ void audio_cleanup(void)
}
}
+static bool vmstate_audio_needed(void *opaque)
+{
+ /*
+ * Never needed, this vmstate only exists in case
+ * an old qemu sends it to us.
+ */
+ return false;
+}
+
static const VMStateDescription vmstate_audio = {
.name = "audio",
.version_id = 1,
.minimum_version_id = 1,
+ .needed = vmstate_audio_needed,
.fields = (VMStateField[]) {
VMSTATE_END_OF_LIST()
}
--
2.25.1
- [PATCH 37/64] acpi: pc: revert back to v5.2 PCI slot enumeration, (continued)
- [PATCH 37/64] acpi: pc: revert back to v5.2 PCI slot enumeration, Michael Roth, 2021/10/19
- [PATCH 38/64] tests: acpi: pc: update expected DSDT blobs, Michael Roth, 2021/10/19
- [PATCH 39/64] hw/block/nvme: align with existing style, Michael Roth, 2021/10/19
- [PATCH 40/64] hw/nvme: fix missing check for PMR capability, Michael Roth, 2021/10/19
- [PATCH 03/64] docs/system: Document the removal of "compat" property for POWER CPUs, Michael Roth, 2021/10/19
- [PATCH 41/64] hw/nvme: fix pin-based interrupt behavior (again), Michael Roth, 2021/10/19
- [PATCH 42/64] virtio-balloon: don't start free page hinting if postcopy is possible, Michael Roth, 2021/10/19
- [PATCH 43/64] hw/net/can: sja1000 fix buff2frame_bas and buff2frame_pel when dlc is out of std CAN 8 bytes, Michael Roth, 2021/10/19
- [PATCH 44/64] hw/sd/sdcard: Document out-of-range addresses for SEND_WRITE_PROT, Michael Roth, 2021/10/19
- [PATCH 45/64] hw/sd/sdcard: Fix assertion accessing out-of-range addresses with CMD30, Michael Roth, 2021/10/19
- [PATCH 46/64] audio: Never send migration section,
Michael Roth <=
- [PATCH 47/64] target/arm: Don't skip M-profile reset entirely in user mode, Michael Roth, 2021/10/19
- [PATCH 48/64] virtio-net: fix use after unmap/free for sg, Michael Roth, 2021/10/19
- [PATCH 49/64] qemu-nbd: Change default cache mode to writeback, Michael Roth, 2021/10/19
- [PATCH 50/64] hmp: Unbreak "change vnc", Michael Roth, 2021/10/19
- [PATCH 04/64] monitor/qmp: fix race on CHR_EVENT_CLOSED without OOB, Michael Roth, 2021/10/19
- [PATCH 51/64] virtio-mem-pci: Fix memory leak when creating MEMORY_DEVICE_SIZE_CHANGE event, Michael Roth, 2021/10/19
- [PATCH 52/64] uas: add stream number sanity checks., Michael Roth, 2021/10/19
- [PATCH 53/64] usb/redir: avoid dynamic stack allocation (CVE-2021-3527), Michael Roth, 2021/10/19
- [PATCH 54/64] usb: limit combined packets to 1 MiB (CVE-2021-3527), Michael Roth, 2021/10/19
- [PATCH 55/64] vhost-user-gpu: fix memory disclosure in virgl_cmd_get_capset_info (CVE-2021-3545), Michael Roth, 2021/10/19