Author: jmg
Date: Sat Oct 29 17:28:59 2011
New Revision: 226907
URL: http://svn.freebsd.org/changeset/base/226907
Log:
error if /boot/mbr is empty... This can happen on a system like arm
that doesn't have a /boot/mbr, and you touch it to get past the previous
error message...
MFC after: 1 week
Modified:
head/sbin/fdisk/fdisk.c
Modified: head/sbin/fdisk/fdisk.c
==============================================================================
--- head/sbin/fdisk/fdisk.c Sat Oct 29 16:38:04 2011 (r226906)
+++ head/sbin/fdisk/fdisk.c Sat Oct 29 17:28:59 2011 (r226907)
@@ -513,6 +513,8 @@ init_boot(void)
if ((fdesc = open(fname, O_RDONLY)) == -1 ||
fstat(fdesc, &sb) == -1)
err(1, "%s", fname);
+ if (sb.st_size == 0)
+ errx(1, "%s is empty, must not be.", fname);
if ((mboot.bootinst_size = sb.st_size) % secsize != 0)
errx(1, "%s: length must be a multiple of sector size", fname);
if (mboot.bootinst != NULL)
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