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[zfs-grub.git] / pvepatches / biosdisk-Add-missing-cast.patch

From d1130afa5f22e4fee75ab55f11e16e0fbd98597d Mon Sep 17 00:00:00 2001
From: Vladimir Serbinenko <phcoder@gmail.com>
Date: Sat, 24 Jan 2015 20:50:30 +0000
Subject: biosdisk: Add missing cast.

Found by: Coverity scan.
---
diff --git a/grub-core/disk/i386/pc/biosdisk.c b/grub-core/disk/i386/pc/biosdisk.c
index 26a4973..f0aadd1 100644
--- a/grub-core/disk/i386/pc/biosdisk.c
+++ b/grub-core/disk/i386/pc/biosdisk.c
@@ -382,7 +382,8 @@ grub_biosdisk_open (const char *name, grub_disk_t disk)
                 /* Some buggy BIOSes doesn't return the total sectors
                    correctly but returns zero. So if it is zero, compute
                    it by C/H/S returned by the LBA BIOS call.  */
-                total_sectors = drp->cylinders * drp->heads * drp->sectors;
+                total_sectors = ((grub_uint64_t) drp->cylinders)
+		  * drp->heads * drp->sectors;
 	      if (drp->bytes_per_sector
 		  && !(drp->bytes_per_sector & (drp->bytes_per_sector - 1))
 		  && drp->bytes_per_sector >= 512
@@ -425,7 +426,8 @@ grub_biosdisk_open (const char *name, grub_disk_t disk)
 	data->heads = 255;
 
       if (! total_sectors)
-        total_sectors = data->cylinders * data->heads * data->sectors;
+        total_sectors = ((grub_uint64_t) data->cylinders)
+	  * data->heads * data->sectors;
     }
 
   disk->total_sectors = total_sectors;
--
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