diff options
Diffstat (limited to 'usb-linux.c')
| -rw-r--r-- | usb-linux.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/usb-linux.c b/usb-linux.c index ef29a76..67639f3 100644 --- a/usb-linux.c +++ b/usb-linux.c @@ -1483,7 +1483,8 @@ static int usb_host_scan_dev(void *opaque, USBScanFunc *func) FILE *f = NULL; char line[1024]; char buf[1024]; - int bus_num, addr, speed, device_count, class_id, product_id, vendor_id; + int bus_num, addr, speed, device_count; + int class_id, product_id, vendor_id, port; char product_name[512]; int ret = 0; @@ -1499,7 +1500,7 @@ static int usb_host_scan_dev(void *opaque, USBScanFunc *func) } device_count = 0; - bus_num = addr = class_id = product_id = vendor_id = 0; + bus_num = addr = class_id = product_id = vendor_id = port = 0; speed = -1; /* Can't get the speed from /[proc|dev]/bus/usb/devices */ for(;;) { if (fgets(line, sizeof(line), f) == NULL) { @@ -1521,6 +1522,10 @@ static int usb_host_scan_dev(void *opaque, USBScanFunc *func) goto fail; } bus_num = atoi(buf); + if (get_tag_value(buf, sizeof(buf), line, "Port=", " ") < 0) { + goto fail; + } + port = atoi(buf); if (get_tag_value(buf, sizeof(buf), line, "Dev#=", " ") < 0) { goto fail; } @@ -1566,7 +1571,12 @@ static int usb_host_scan_dev(void *opaque, USBScanFunc *func) } if (device_count && (vendor_id || product_id)) { /* Add the last device. */ - ret = func(opaque, bus_num, addr, 0, class_id, vendor_id, + if (port > 0) { + snprintf(buf, sizeof(buf), "%d", port); + } else { + snprintf(buf, sizeof(buf), "?"); + } + ret = func(opaque, bus_num, addr, buf, class_id, vendor_id, product_id, product_name, speed); } the_end: |