Index: uspace/lib/c/generic/iplink.c
===================================================================
--- uspace/lib/c/generic/iplink.c	(revision fa101c4ef128bcbc266ee366dd9b3fcfe2bcf4ab)
+++ uspace/lib/c/generic/iplink.c	(revision ffa89125d041d58392d67a3df0e52564a07cee35)
@@ -157,4 +157,5 @@
 
 	rc = iplink->ev_ops->recv(iplink, &sdu);
+	free(sdu.data);
 	async_answer_0(callid, rc);
 }