[Qemu-devel] [PATCH] Avoid crash on '-usbdevice <device>' without parameters

[Jan Kiszka <jan.kiszka@web.de>]

Many usbdevice_init implementors assume params is non-NULL.

Signed-off-by: Jan Kiszka <jan.kiszka@web.de>
---
 hw/usb-bus.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/hw/usb-bus.c b/hw/usb-bus.c
index 7c82314..89e2ea6 100644
--- a/hw/usb-bus.c
+++ b/hw/usb-bus.c
@@ -275,6 +275,7 @@ USBDevice *usbdevice_create(const char *cmdline)
             len = sizeof(driver);
         pstrcpy(driver, len, cmdline);
     } else {
+        params = "";
         pstrcpy(driver, sizeof(driver), cmdline);
     }