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* grub-core/disk/ieee1275/nand.c (grub_nand_open): Check block size

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validity.
This commit is contained in:
Vladimir Serbinenko 2015-01-20 15:09:42 +01:00
parent 935863518f
commit f1959b1695
2 changed files with 10 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2015-01-20 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/disk/ieee1275/nand.c (grub_nand_open): Check block size
validity.
2015-01-20 Vladimir Serbinenko <phcoder@gmail.com> 2015-01-20 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/disk/dmraid_nvidia.c (grub_dmraid_nv_detect): Do not * grub-core/disk/dmraid_nvidia.c (grub_dmraid_nv_detect): Do not

5
grub-core/disk/ieee1275/nand.c
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@ -113,6 +113,11 @@ grub_nand_open (const char *name, grub_disk_t disk)
} }
data->block_size = (args.size1 >> GRUB_DISK_SECTOR_BITS); data->block_size = (args.size1 >> GRUB_DISK_SECTOR_BITS);
if (!data->block_size)
{
grub_error (GRUB_ERR_UNKNOWN_DEVICE, "invalid block size");
goto fail;
}
INIT_IEEE1275_COMMON (&args.common, "call-method", 2, 3); INIT_IEEE1275_COMMON (&args.common, "call-method", 2, 3);
args.method = (grub_ieee1275_cell_t) "size"; args.method = (grub_ieee1275_cell_t) "size";