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author | jmg <jmg@FreeBSD.org> | 2011-10-29 17:28:59 +0000 |
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committer | jmg <jmg@FreeBSD.org> | 2011-10-29 17:28:59 +0000 |
commit | 1c5b4943520698d0267d05fb6b60a3ee8f6a5f86 (patch) | |
tree | e2f8eae6ad2267d0a80ffa4bb244b351d17678f9 /sbin/fdisk | |
parent | ca5e2c25d4f63dac76001083afccd6cfd9573962 (diff) | |
download | FreeBSD-src-1c5b4943520698d0267d05fb6b60a3ee8f6a5f86.zip FreeBSD-src-1c5b4943520698d0267d05fb6b60a3ee8f6a5f86.tar.gz |
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
Diffstat (limited to 'sbin/fdisk')
-rw-r--r-- | sbin/fdisk/fdisk.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sbin/fdisk/fdisk.c b/sbin/fdisk/fdisk.c index ba1ee00..49c5724 100644 --- a/sbin/fdisk/fdisk.c +++ b/sbin/fdisk/fdisk.c @@ -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) |