Index: uspace/lib/usbdev/src/pipes.c
===================================================================
--- uspace/lib/usbdev/src/pipes.c	(revision ae3a9413512275bb229f67ecbbb46ce1739a954a)
+++ uspace/lib/usbdev/src/pipes.c	(revision 1b20da07baaa3e3c424f62c927274e676e4295cd)
@@ -416,5 +416,5 @@
 		return ENOMEM;
 
-	usb_endpoint_descriptors_t descriptors;
+	usb_endpoint_descriptors_t descriptors = { 0 };
 
 #define COPY(field) descriptors.endpoint.field = ep_desc->field