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ui/vdagent: Use VMSTATE_GBYTEARRAY to safely migrate outbuf

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Migrating a GLib GByteArray is now possible directly using the newly
introduced VMSTATE_GBYTEARRAY. It uses the standard GLib API calls to
create the array, or resize it.

This is safer than implementing a C struct and manually updating the
data and len fields. This commit uses the VMSTATE_GBYTEARRAY in vdagent
to store the outbuf variable.

Signed-off-by: Arun Menon <armenon@redhat.com>
Suggested-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/qemu-devel/20260423105733.113046-3-armenon@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
This commit is contained in:
Arun Menon
2026-04-23 16:27:33 +05:30
committed by Stefan Berger
parent 1d9688c074
commit fc6ff3198e
1 changed files with 1 additions and 12 deletions
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13
ui/vdagent.c
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@@ -964,17 +964,6 @@ static const VMStateDescription vmstate_chunk = {
}
};
static const VMStateDescription vmstate_vdba = {
.name = "vdagent/bytearray",
.version_id = 0,
.minimum_version_id = 0,
.fields = (const VMStateField[]) {
VMSTATE_UINT32(len, GByteArray),
VMSTATE_VBUFFER_ALLOC_UINT32(data, GByteArray, 0, 0, len),
VMSTATE_END_OF_LIST()
}
};
struct CBInfoArray {
uint32_t n;
QemuClipboardInfo cbinfo[QEMU_CLIPBOARD_SELECTION__COUNT];
@@ -1064,7 +1053,7 @@ static const VMStateDescription vmstate_vdagent = {
VMSTATE_UINT32(xsize, VDAgentChardev),
VMSTATE_UINT32(xoff, VDAgentChardev),
VMSTATE_VBUFFER_ALLOC_UINT32(xbuf, VDAgentChardev, 0, 0, xsize),
VMSTATE_STRUCT_POINTER(outbuf, VDAgentChardev, vmstate_vdba, GByteArray),
VMSTATE_GBYTEARRAY(outbuf, VDAgentChardev, 0),
VMSTATE_UINT32(mouse_x, VDAgentChardev),
VMSTATE_UINT32(mouse_y, VDAgentChardev),
VMSTATE_UINT32(mouse_btn, VDAgentChardev),