usbip: tools: fix fd leakage in the function of read_attr_usbip_status

We should close the fd before the return of read_attr_usbip_status.

Fixes: 3391ba0 ("usbip: tools: Extract generic code to be shared with vudc backend")
Signed-off-by: Hewenliang <[email protected]>
Cc: stable <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

tools/usb/usbip/libsrc/usbip_host_common.c

@@ -57,7 +57,7 @@ static int32_t read_attr_usbip_status(struct usbip_usb_device *udev)
 	}
 
 	value = atoi(status);
-
+	close(fd);
 	return value;
 }