Fix memory leak in config descriptor parsing

Pointed out by Martin Koegler.

1 files changed, 2 insertions, 0 deletions

diff --git a/libusb/descriptor.c b/libusb/descriptor.c
index baff1b0..adc6220 100644
--- a/libusb/descriptor.c
+++ b/libusb/descriptor.c
@@ -503,6 +503,7 @@ API_EXPORTED int libusb_get_active_config_descriptor(libusb_device *dev,
 		usbi_warn(dev->ctx, "descriptor data still left");
 	}
 
+	free(buf);
 	*config = _config;
 	return 0;
 
@@ -571,6 +572,7 @@ API_EXPORTED int libusb_get_config_descriptor(libusb_device *dev,
 		usbi_warn(dev->ctx, "descriptor data still left");
 	}
 
+	free(buf);
 	*config = _config;
 	return 0;