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-rw-r--r--tools/usb/usbip/src/usbip_detach.c39
1 files changed, 30 insertions, 9 deletions
diff --git a/tools/usb/usbip/src/usbip_detach.c b/tools/usb/usbip/src/usbip_detach.c
index 6a8db858caa5..777f7286a0c5 100644
--- a/tools/usb/usbip/src/usbip_detach.c
+++ b/tools/usb/usbip/src/usbip_detach.c
@@ -46,6 +46,9 @@ static int detach_port(char *port)
int ret = 0;
uint8_t portnum;
char path[PATH_MAX+1];
+ int i;
+ struct usbip_imported_device *idev;
+ int found = 0;
unsigned int port_len = strlen(port);
@@ -55,28 +58,46 @@ static int detach_port(char *port)
return -1;
}
- /* check max port */
-
portnum = atoi(port);
- /* remove the port state file */
-
- snprintf(path, PATH_MAX, VHCI_STATE_PATH"/port%d", portnum);
-
- remove(path);
- rmdir(VHCI_STATE_PATH);
-
ret = usbip_vhci_driver_open();
if (ret < 0) {
err("open vhci_driver");
return -1;
}
+ /* check for invalid port */
+ for (i = 0; i < vhci_driver->nports; i++) {
+ idev = &vhci_driver->idev[i];
+
+ if (idev->port == portnum) {
+ found = 1;
+ if (idev->status != VDEV_ST_NULL)
+ break;
+ info("Port %d is already detached!\n", idev->port);
+ goto call_driver_close;
+ }
+ }
+
+ if (!found) {
+ err("Invalid port %s > maxports %d",
+ port, vhci_driver->nports);
+ goto call_driver_close;
+ }
+
+ /* remove the port state file */
+ snprintf(path, PATH_MAX, VHCI_STATE_PATH"/port%d", portnum);
+
+ remove(path);
+ rmdir(VHCI_STATE_PATH);
+
ret = usbip_vhci_detach_device(portnum);
if (ret < 0) {
ret = -1;
+ err("Port %d detach request failed!\n", portnum);
goto call_driver_close;
}
+ info("Port %d is now detached!\n", portnum);
call_driver_close:
usbip_vhci_driver_close();