Index: kernel/generic/include/ipc/sysipc_ops.h
===================================================================
--- kernel/generic/include/ipc/sysipc_ops.h	(revision 466e95f7c1e1804072fe2965ba7a828e95259ed5)
+++ kernel/generic/include/ipc/sysipc_ops.h	(revision 84a1a546f62a2ba0f913f8f1bfce8d4bc68d7aa4)
@@ -40,11 +40,7 @@
 #define SYSIPC_OP(op, call, ...) \
 	({ \
-		int rc = EOK; \
-		\
-		sysipc_ops_t *ops; \
-		ops = sysipc_ops_get((call)->request_method); \
-		if (ops->op) \
-			rc = ops->op((call), ##__VA_ARGS__); \
-		rc; \
+		sysipc_ops_t *ops = sysipc_ops_get((call)->request_method); \
+		assert(ops->op); \
+		ops->op((call), ##__VA_ARGS__); \
 	})