32 lines
1.1 KiB
Diff
32 lines
1.1 KiB
Diff
From 106a39c50211b7c7e96ffb47ad9deae5d9be6d84 Mon Sep 17 00:00:00 2001
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From: Hans de Goede <hdegoede@redhat.com>
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Date: Fri, 15 Mar 2013 11:52:37 +0100
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Subject: [PATCH] usb-redir: Fix crash on migration with no client connected
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If no client is connected on the src side, then we won't receive a
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parser during migrate, in this case usbredir_post_load() should be a nop,
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rather then to try to derefefence the NULL dev->parser pointer.
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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(cherry picked from commit 3713e1485e6eace7d48b9c790602cfd92c616e5f)
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---
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hw/usb/redirect.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/hw/usb/redirect.c b/hw/usb/redirect.c
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index 4d23b66..bf6aaf0 100644
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--- a/hw/usb/redirect.c
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+++ b/hw/usb/redirect.c
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@@ -2008,6 +2008,10 @@ static int usbredir_post_load(void *priv, int version_id)
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{
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USBRedirDevice *dev = priv;
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+ if (dev->parser == NULL) {
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+ return 0;
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+ }
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+
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switch (dev->device_info.speed) {
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case usb_redir_speed_low:
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dev->dev.speed = USB_SPEED_LOW;
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