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| author |   Scott Tsai <scottt.tw@gmail.com> | 2009-12-23 04:30:18 +0800 |
|---|---|---|
| committer |   Aurelien Jarno <aurelien@aurel32.net> | 2009-12-23 07:42:38 +0100 |
| commit | 41193c50fac2b6d78122514826770b43318dca8d (patch) | |
| tree | ea44bb7f0c7169ab483921a1a41c1390208969cf /vl.c | |
| parent | cpu-all.h: fix cpu_get_real_ticks() #ifdef (diff) | |
| download | qemu-kvm-41193c50fac2b6d78122514826770b43318dca8d.tar.gz qemu-kvm-41193c50fac2b6d78122514826770b43318dca8d.tar.bz2 qemu-kvm-41193c50fac2b6d78122514826770b43318dca8d.zip | |
USB: Improve usbdevice error messages
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>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
(cherry picked from commit 59d1c1c2d774cccb0a88ff73501f97bea190c154)
Diffstat (limited to 'vl.c')
| -rw-r--r-- | vl.c | 17 |
1 files changed, 14 insertions, 3 deletions
@@ -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); + } } /***********************************************************/ |