usb-host: check mon before using it.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gerd Hoffmann 2009-12-15 11:43:02 +01:00 committed by Anthony Liguori
parent 42be86ce95
commit eba6fe8732

View File

@ -1206,7 +1206,8 @@ static int usb_host_read_file(char *line, size_t line_size, const char *device_f
ret = 1;
#if 0
} else {
monitor_printf(mon, "husb: could not open %s\n", filename);
if (mon)
monitor_printf(mon, "husb: could not open %s\n", filename);
#endif
}
@ -1339,15 +1340,17 @@ static int usb_host_scan(void *opaque, USBScanFunc *func)
}
found_devices:
if (!usb_fs_type) {
monitor_printf(mon, "husb: unable to access USB devices\n");
if (mon)
monitor_printf(mon, "husb: unable to access USB devices\n");
return -ENOENT;
}
/* the module setting (used later for opening devices) */
usb_host_device_path = qemu_mallocz(strlen(devpath)+1);
strcpy(usb_host_device_path, devpath);
monitor_printf(mon, "husb: using %s file-system with %s\n",
fs_type[usb_fs_type], usb_host_device_path);
if (mon)
monitor_printf(mon, "husb: using %s file-system with %s\n",
fs_type[usb_fs_type], usb_host_device_path);
}
switch (usb_fs_type) {