[Spice-devel] [PATCH usbredir v3] usbredirserver: show bus:device of the USB device if specifying vid:pid
Chen Hanxiao
chen_han_xiao at 126.com
Thu Nov 23 14:28:05 UTC 2017
From: Chen Hanxiao <chenhanxiao at gmail.com>
We use libusb_open_device_with_vid_pid, if multiple devices
have the same vid:pid, it will only the first one.
This patch will show the bus:device of the chosen one.
Signed-off-by: Chen Hanxiao <chenhanxiao at gmail.com>
---
v3: move dev declaration inside if
v2: control output messages by verbose
usbredirserver/usbredirserver.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/usbredirserver/usbredirserver.c b/usbredirserver/usbredirserver.c
index 13965dc..d26c4d3 100644
--- a/usbredirserver/usbredirserver.c
+++ b/usbredirserver/usbredirserver.c
@@ -328,6 +328,15 @@ int main(int argc, char *argv[])
"Could not open an usb-device with vid:pid %04x:%04x\n",
usbvendor, usbproduct);
}
+ if (verbose >= usbredirparser_info) {
+ libusb_device *dev;
+ dev = libusb_get_device(handle);
+ fprintf(stderr, "Open a usb-device with vid:pid %04x:%04x on "
+ "bus %03x device %03x\n",
+ usbvendor, usbproduct,
+ libusb_get_bus_number(dev),
+ libusb_get_device_address(dev));
+ }
} else {
libusb_device **list = NULL;
ssize_t i, n;
--
2.13.6
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