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haiku/getroot.c (grub_util_find_partition_start_os): Avoid division by zero.

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This commit is contained in:
Vladimir Serbinenko 2015-01-20 21:12:46 +01:00
parent 4e0a25a4c0
commit ac8bac2496
2 changed files with 6 additions and 1 deletions
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2
grub-core/osdep/haiku/getroot.c
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@ -65,7 +65,7 @@ grub_util_find_partition_start_os (const char *dev)
device_geometry geo;
if (ioctl (fd, B_GET_GEOMETRY, &geo, sizeof (geo)) < 0)
return 0;
ret /= geo.bytes_per_sector;
ret /= geo.bytes_per_sector ? : 512;
close (fd);
return ret;
}