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author | Jan Kiszka <jan.kiszka@web.de> | 2010-06-02 17:19:55 -0300 |
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committer | Aurelien Jarno <aurelien@aurel32.net> | 2010-06-09 12:44:57 +0200 |
commit | d37dbf988d0d350d252c6952fcde5f4b94eed010 (patch) | |
tree | 7acf5fd59113a680c7de40b0ee5247ac30bbc22a | |
parent | Fix -usbdevice crash (diff) | |
download | qemu-kvm-d37dbf988d0d350d252c6952fcde5f4b94eed010.tar.gz qemu-kvm-d37dbf988d0d350d252c6952fcde5f4b94eed010.tar.bz2 qemu-kvm-d37dbf988d0d350d252c6952fcde5f4b94eed010.zip |
Avoid crash on '-usbdevice <device>' without parameters
Many usbdevice_init implementors assume params is non-NULL.
Signed-off-by: Jan Kiszka <jan.kiszka@web.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
(cherry picked from commit 702f3e0fb52c124c07f215426eeadb70a716643f)
-rw-r--r-- | hw/usb-bus.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/hw/usb-bus.c b/hw/usb-bus.c index 7c823147a..3bb89862b 100644 --- a/hw/usb-bus.c +++ b/hw/usb-bus.c @@ -264,7 +264,8 @@ USBDevice *usbdevice_create(const char *cmdline) USBBus *bus = usb_bus_find(-1 /* any */); DeviceInfo *info; USBDeviceInfo *usb; - char driver[32], *params; + char driver[32]; + const char *params; int len; params = strchr(cmdline,':'); @@ -275,6 +276,7 @@ USBDevice *usbdevice_create(const char *cmdline) len = sizeof(driver); pstrcpy(driver, len, cmdline); } else { + params = ""; pstrcpy(driver, sizeof(driver), cmdline); } |