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vfio-user: clarify partial message handling

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Signed-off-by: John Levon <john.levon@nutanix.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Mark Cave-Ayland <mark.caveayland@nutanix.com>
Link: https://lore.kernel.org/qemu-devel/20251203100316.3604456-3-john.levon@nutanix.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This commit is contained in:
John Levon
2025-12-03 15:07:47 +01:00
committed by Cédric Le Goater
parent a8731f691d
commit 356c7b1752
1 changed files with 4 additions and 1 deletions
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hw/vfio-user/proxy.c
+4 -1
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@@ -362,7 +362,10 @@ static int vfio_user_recv_one(VFIOUserProxy *proxy, Error **errp)
while (msgleft > 0) {
ret = qio_channel_read(proxy->ioc, data, msgleft, errp);
/* prepare to complete read on next iternation */
/*
* We'll complete this read on the next go around; keep track of the
* partial message until then.
*/
if (ret == QIO_CHANNEL_ERR_BLOCK) {
proxy->part_recv = msg;
proxy->recv_left = msgleft;