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[Qemu-devel] [PATCH] usb-redir: Fix crash on migration with no client co
From: |
Hans de Goede |
Subject: |
[Qemu-devel] [PATCH] usb-redir: Fix crash on migration with no client connected |
Date: |
Fri, 15 Mar 2013 11:52:37 +0100 |
If no client is connected on the src side, then we won't receive a
parser during migrate, in this case usbredir_post_load() should be a nop,
rather then to try to derefefence the NULL dev->parser pointer.
Signed-off-by: Hans de Goede <address@hidden>
---
hw/usb/redirect.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/hw/usb/redirect.c b/hw/usb/redirect.c
index 9ba714d..06d22da 100644
--- a/hw/usb/redirect.c
+++ b/hw/usb/redirect.c
@@ -2005,6 +2005,10 @@ static int usbredir_post_load(void *priv, int version_id)
{
USBRedirDevice *dev = priv;
+ if (dev->parser == NULL) {
+ return 0;
+ }
+
switch (dev->device_info.speed) {
case usb_redir_speed_low:
dev->dev.speed = USB_SPEED_LOW;
--
1.8.1.4
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