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* grub-core/disk/i386/pc/biosdisk.c: Check disk size sanity.

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Vladimir Serbinenko 2015-01-20 15:10:34 +01:00
parent f1959b1695
commit 4200ad44fe
2 changed files with 9 additions and 0 deletions
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ChangeLog
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@ -1,3 +1,7 @@
2015-01-20 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/disk/i386/pc/biosdisk.c: Check disk size sanity.
2015-01-20 Vladimir Serbinenko <phcoder@gmail.com> 2015-01-20 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/disk/ieee1275/nand.c (grub_nand_open): Check block size * grub-core/disk/ieee1275/nand.c (grub_nand_open): Check block size

5
grub-core/disk/i386/pc/biosdisk.c
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@ -419,6 +419,11 @@ grub_biosdisk_open (const char *name, grub_disk_t disk)
} }
} }
if (data->sectors == 0)
data->sectors = 63;
if (data->heads == 0)
data->heads = 255;
if (! total_sectors) if (! total_sectors)
total_sectors = data->cylinders * data->heads * data->sectors; total_sectors = data->cylinders * data->heads * data->sectors;
} }