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| author | Paul Brook <paul@codesourcery.com> | 2010-02-25 13:29:06 +0000 |
|---|---|---|
| committer | Paul Brook <paul@codesourcery.com> | 2010-02-25 13:29:06 +0000 |
| commit | d44168fffa07fc57e61a37da65e9348661dec887 (patch) | |
| tree | f3a41713d7a4e7cdef21cd3a7c2f5a49104f2368 /hw/usb-serial.c | |
| parent | 23f2166d736dcf7854e674a160694b151ee0725b (diff) | |
| download | focaccia-qemu-d44168fffa07fc57e61a37da65e9348661dec887.tar.gz focaccia-qemu-d44168fffa07fc57e61a37da65e9348661dec887.zip | |
Fix -usbdevice crash
If -usbdevice is used on a machine with no USB busses, usb_create will fail and return NULL. Patch below handles this failure gracefully rather than crashing when we try to init the device. Signed-off-by: Paul Brook <paul@codesourcery.com>
Diffstat (limited to 'hw/usb-serial.c')
| -rw-r--r-- | hw/usb-serial.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/usb-serial.c b/hw/usb-serial.c index c3f3401370..1410b11b2b 100644 --- a/hw/usb-serial.c +++ b/hw/usb-serial.c @@ -594,6 +594,9 @@ static USBDevice *usb_serial_init(const char *filename) return NULL; dev = usb_create(NULL /* FIXME */, "usb-serial"); + if (!dev) { + return NULL; + } qdev_prop_set_chr(&dev->qdev, "chardev", cdrv); if (vendorid) qdev_prop_set_uint16(&dev->qdev, "vendorid", vendorid); |