From 7cdc68c1c4253bc6b27507a73acc096b08675ca9 Mon Sep 17 00:00:00 2001
From: Anton Staaf <robotboy@chromium.org>
Date: Thu, 10 Feb 2011 10:34:15 -0800
Subject: [PATCH] Check return code of fwrite in raw image writing code.

Change-Id: I8c52a205ae1dc559c9f8b41d4d2c50e821b3b05c

BUG=None
TEST=None

Review URL: http://codereview.chromium.org/6368153
---
 data_layout.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/data_layout.c b/data_layout.c
index 3c49f9f20b..139e5376f0 100644
--- a/data_layout.c
+++ b/data_layout.c
@@ -1017,9 +1017,12 @@ write_block_raw(build_image_context *context)
 			data = empty_blk;
 		}
 		/* Write the data */
-		fwrite(data, 1,
-			pages_to_write * context->page_size,
-			context->raw_file);
+		{
+			size_t bytes = pages_to_write * context->page_size;
+
+			if (fwrite(data, 1, bytes, context->raw_file) != bytes)
+				return -1;
+		}
 	}
 
 	free(empty_blk);