diff options
| -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) |
