From 3d33e5e0ce69d3ee61681f9a2f875907f381eb63 Mon Sep 17 00:00:00 2001
From: "S.J.R. van Schaik" <stephan@whiteboxsystems.nl>
Date: Fri, 23 Jun 2017 16:55:45 +0200
Subject: [PATCH] flash: return the amount of written bytes in flash_write0()
 and default_flash_copy()

---
 source/core/flash.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/source/core/flash.c b/source/core/flash.c
index 9a46955..4b677ec 100644
--- a/source/core/flash.c
+++ b/source/core/flash.c
@@ -40,10 +40,10 @@ size_t default_flash_copy(struct flash_dev *dev, uint32_t dst, uint32_t src,
 		nbytes = min(sizeof data, len);
 
 		if (flash_read(dev, src, data, nbytes) == 0)
-			return -1;
+			return ret;
 
 		if (flash_write(dev, dst, data, nbytes) == 0)
-			return -1;
+			return ret;
 
 		dst += nbytes;
 		src += nbytes;
@@ -106,7 +106,7 @@ size_t flash_write0(struct flash_dev *dev, uint32_t addr, size_t len)
 		nbytes = min(sizeof data, len);
 
 		if (flash_write(dev, addr, data, nbytes) == 0)
-			return -1;
+			return ret;
 
 		addr += nbytes;
 		len -= nbytes;