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* include/grub/ata.h (grub_ata): Add a new element maxbuffer.

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* grub-core/disk/ata.c (grub_ata_readwrite): Limit to ata->maxbuffer.
	* grub-core/disk/pata.c (grub_pata_open): Set ata->maxbuffer.
	* grub-core/disk/ahci.c (grub_ahci_open): Likewise.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2012-01-29 19:00:30 +01:00
parent 74310bd8a7
commit 2b5336a24a
5 changed files with 16 additions and 2 deletions
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grub-core/disk/ahci.c
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@ -693,6 +693,7 @@ grub_ahci_open (int id, int devnum, struct grub_ata *ata)
ata->data = dev;
ata->dma = 1;
ata->maxbuffer = GRUB_AHCI_PRDT_MAX_CHUNK_LENGTH;
ata->present = &dev->present;
return GRUB_ERR_NONE;