[LinuxBIOS] r2503 - trunk/LinuxBIOSv2/util/flashrom

svn at openbios.org svn at openbios.org
Wed Nov 22 00:48:53 CET 2006


Author: stepan
Date: 2006-11-22 00:48:51 +0100 (Wed, 22 Nov 2006)
New Revision: 2503

Modified:
   trunk/LinuxBIOSv2/util/flashrom/flash_rom.c
Log:
flashrom: Only write the flash if the image has the same size

Signed-off-by: Stefan Reinauer <stepan at coresystems.de>
Acked-by: Segher Boessenkool <segher at kernel.crashing.org>



Modified: trunk/LinuxBIOSv2/util/flashrom/flash_rom.c
===================================================================
--- trunk/LinuxBIOSv2/util/flashrom/flash_rom.c	2006-11-21 15:09:05 UTC (rev 2502)
+++ trunk/LinuxBIOSv2/util/flashrom/flash_rom.c	2006-11-21 23:48:51 UTC (rev 2503)
@@ -28,6 +28,8 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/mman.h>
+#include <sys/types.h>
+#include <sys/stat.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <string.h>
@@ -332,10 +334,21 @@
 		fclose(image);
 		printf("done\n");
 	} else {
+		struct stat image_stat;
+
 		if ((image = fopen(filename, "r")) == NULL) {
 			perror(filename);
 			exit(1);
 		}
+		if (fstat(fileno(image), &image_stat) != 0) {
+			perror(filename);
+			exit(1);
+		}
+		if(image_stat.st_size!=flash->total_size*1024) {
+			perror("Image size doesnt match");
+			exit(1);
+		}
+
 		fread(buf, sizeof(char), size, image);
 		show_id(buf, size);
 		fclose(image);





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