From 151ab54126c57264fd88f41a8667b78021ca83db Mon Sep 17 00:00:00 2001
From: Cyril Bur <cyril.bur@au1.ibm.com>
Date: Fri, 28 Jul 2017 16:46:21 +1000
Subject: libflash/file: Fix bad subtraction in file erase path

Signed-off-by: Cyril Bur <cyril.bur@au1.ibm.com>
Reviewed-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
---
 libflash/file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'libflash')

diff --git a/libflash/file.c b/libflash/file.c
index 2d3f27d..5cea3fc 100644
--- a/libflash/file.c
+++ b/libflash/file.c
@@ -123,7 +123,7 @@ static int file_erase(struct blocklevel_device *bl, uint64_t dst, uint64_t len)
 		rc = file_write(bl, dst + i, &d, len - i > sizeof(d) ? sizeof(d) : len - i);
 		if (rc)
 			return rc;
-		i += sizeof(d);
+		i += len - i > sizeof(d) ? sizeof(d) : len - i;
 	}
 
 	return 0;
-- 
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