From: lokilee73 <changjoo.lee@samsung.com>
Date: Tue, 19 Dec 2017 08:01:43 +0000 (+0900)
Subject: Check if device is opened in getting active configuration
X-Git-Tag: submit/tizen_4.0/20171219.084427^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=938f57baf16dc1face9bc3d013c1c9df76b3cad6;p=platform%2Fcore%2Fapi%2Fusb-host.git

Check if device is opened in getting active configuration

Change-Id: Ifca3566ea75186363b98eb219cf5f1c04190a209
---

diff --git a/include/usb_host.h b/include/usb_host.h
index ac6c91a..389d325 100755
--- a/include/usb_host.h
+++ b/include/usb_host.h
@@ -415,6 +415,7 @@ int usb_host_device_get_config(usb_host_device_h dev, int config_index, usb_host
  * @retval #USB_HOST_ERROR_NO_SUCH_DEVICE the dev has been disconnected
  * @retval #USB_HOST_ERROR_INVALID_PARAMETER Invalid parameter was passed
  * @retval #USB_HOST_ERROR_NONE Successful
+ * @retval #USB_HOST_ERROR_DEVICE_NOT_OPENED The device was not opened
  * @retval #USB_HOST_ERROR_NOT_SUPPORTED Not supported
  * @post Obtained configuration should be destroyed by usb_host_config_destroy()
  * when no longer needed.
diff --git a/src/usb_host.c b/src/usb_host.c
index 079862a..5a5f2f1 100755
--- a/src/usb_host.c
+++ b/src/usb_host.c
@@ -828,6 +828,11 @@ int usb_host_get_active_config(usb_host_device_h dev, usb_host_config_h *config)
 		return USB_HOST_ERROR_INVALID_PARAMETER;
 	}
 
+	if (dev->lusb_dev_handle == NULL) {
+		_E("Device is not opened");
+		return USB_HOST_ERROR_DEVICE_NOT_OPENED;
+	}
+
 	ret = libusb_get_configuration(dev->lusb_dev_handle, &cfg_nmb);
 	if (ret < 0) {
 		ret = translate_error(ret); //LCOV_EXCL_LINE System Error