@@ -2689,17 +2689,28 @@ static int usb_device_del(const char *devname)
static int usb_parse(const char *cmdline)
{
- return usb_device_add(cmdline, 0);
+ int r;
+ r = usb_device_add(cmdline, 0);
+ if (r < 0) {
+ fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
+ }
+ return r;
}
void do_usb_add(Monitor *mon, const QDict *qdict)
{
- usb_device_add(qdict_get_str(qdict, "devname"), 1);
+ const char *devname = qdict_get_str(qdict, "devname");
+ if (usb_device_add(devname, 1) < 0) {
+ qemu_error("could not add USB device '%s'\n", devname);
+ }
}
void do_usb_del(Monitor *mon, const QDict *qdict)
{
- usb_device_del(qdict_get_str(qdict, "devname"));
+ const char *devname = qdict_get_str(qdict, "devname");
+ if (usb_device_del(devname) < 0) {
+ qemu_error("could not delete USB device '%s'\n", devname);
+ }
}
/***********************************************************/
When an non-existent USB device is specified on the command line, print "qemu: could not add USB device 'X'". Likewise for the usb_{add,del} monitor commands. Signed-off-by: Scott Tsai <scottt.tw@gmail.com> --- vl.c | 17 ++++++++++++++--- 1 files changed, 14 insertions(+), 3 deletions(-)