From ac8bac2496d6ebf74f678288293d89a6b315ff5b Mon Sep 17 00:00:00 2001
From: Vladimir Serbinenko <phcoder@gmail.com>
Date: Tue, 20 Jan 2015 21:12:46 +0100
Subject: [PATCH 165/506] haiku/getroot.c (grub_util_find_partition_start_os):
 Avoid division by zero.

---
 ChangeLog                       | 5 +++++
 grub-core/osdep/haiku/getroot.c | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 40ced5a..1670569 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2015-01-20  Vladimir Serbinenko  <phcoder@gmail.com>
 
+	* grub-core/osdep/haiku/getroot.c (grub_util_find_partition_start_os):
+	Avoid division by zero.
+
+2015-01-20  Vladimir Serbinenko  <phcoder@gmail.com>
+
 	* grub-core/kern/generic/rtc_get_time_ms.c (grub_rtc_get_time_ms): Avoid
 	division by zero.
 
diff --git a/grub-core/osdep/haiku/getroot.c b/grub-core/osdep/haiku/getroot.c
index 0852c5e..4e123c0 100644
--- a/grub-core/osdep/haiku/getroot.c
+++ b/grub-core/osdep/haiku/getroot.c
@@ -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;
 }
-- 
2.4.3