Index: kernel/generic/src/syscall/copy.c
===================================================================
--- kernel/generic/src/syscall/copy.c	(revision cde999aca79219e8751af76502001a86d411d176)
+++ kernel/generic/src/syscall/copy.c	(revision 3b47db687606b55f2694aaa5c4c6db563b5b61eb)
@@ -59,8 +59,8 @@
  * @return EOK on success or an error code from @ref errno.h.
  */
-int copy_from_uspace(void *dst, const void *uspace_src, size_t size)
+errno_t copy_from_uspace(void *dst, const void *uspace_src, size_t size)
 {
 	ipl_t ipl;
-	int rc;
+	errno_t rc;
 	
 	assert(THREAD);
@@ -110,8 +110,8 @@
  * @return 0 on success or an error code from @ref errno.h.
  */
-int copy_to_uspace(void *uspace_dst, const void *src, size_t size)
+errno_t copy_to_uspace(void *uspace_dst, const void *src, size_t size)
 {
 	ipl_t ipl;
-	int rc;
+	errno_t rc;
 	
 	assert(THREAD);