From ac9da14b3f9c07176a9151522e7368a89e9a215e Mon Sep 17 00:00:00 2001
From: Ficture Seven <FICTURE7@gmail.com>
Date: Tue, 1 Aug 2017 14:59:55 +0400
Subject: [PATCH] uc_mem_unmap returns proper error code & fixes #863 (#864)

---
 uc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/uc.c b/uc.c
index 9112c4f4..ef5ef23c 100644
--- a/uc.c
+++ b/uc.c
@@ -953,7 +953,7 @@ uc_err uc_mem_unmap(struct uc_struct *uc, uint64_t address, size_t size)
 
     // size must be multiple of uc->target_page_size
     if ((size & uc->target_page_align) != 0)
-        return UC_ERR_MAP;
+        return UC_ERR_ARG;
 
     if (uc->mem_redirect) {
         address = uc->mem_redirect(address);