Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / arch / i386 / boot / tools / build.c

diff --git a/arch/i386/boot/tools/build.c b/arch/i386/boot/tools/build.c
index 26509b8..0579841 100644 (file)
--- a/arch/i386/boot/tools/build.c
+++ b/arch/i386/boot/tools/build.c
@@ -1,6 +1,4 @@
 /*
- *  $Id: build.c,v 1.5 1997/05/19 12:29:58 mj Exp $
- *
  *  Copyright (C) 1991, 1992  Linus Torvalds
  *  Copyright (C) 1997 Martin Mares
  */
@@ -8,7 +6,8 @@
 /*
  * This file builds a disk-image from three different files:
  *
- * - bootsect: exactly 512 bytes of 8086 machine code, loads the rest
+ * - bootsect: compatibility mbr which prints an error message if
+ *             someone tries to boot the kernel directly.
  * - setup: 8086 machine code, sets up system parm
  * - system: 80386 code for actual system
  *
@@ -71,7 +70,8 @@ void usage(void)
 
 int main(int argc, char ** argv)
 {
-       unsigned int i, c, sz, setup_sectors;
+       unsigned int i, sz, setup_sectors;
+       int c;
        u32 sys_size;
        byte major_root, minor_root;
        struct stat sb;
@@ -177,7 +177,9 @@ int main(int argc, char ** argv)
                die("Output: seek failed");
        buf[0] = (sys_size & 0xff);
        buf[1] = ((sys_size >> 8) & 0xff);
-       if (write(1, buf, 2) != 2)
+       buf[2] = ((sys_size >> 16) & 0xff);
+       buf[3] = ((sys_size >> 24) & 0xff);
+       if (write(1, buf, 4) != 4)
                die("Write of image length failed");
 
        return 0;                                           /* Everything is OK */