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Commit 88b47040 authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz
Browse files

triflex: add missing ->dma_base check 



If ->dma_base is not set (== PCI BAR4 cannot be reserved) then DMA hooks
shouldn't be initialized or bad things will happen.

Acked-by: default avatarSergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent e98d6e50

drivers/ide/pci/triflex.c

+3 −0
Original line number Diff line number Diff line
@@ -115,6 +115,9 @@ static void __devinit init_hwif_triflex(ide_hwif_t *hwif) 
	hwif->tuneproc = &triflex_tune_drive;

	hwif->speedproc = &triflex_tune_chipset;



	if (hwif->dma_base == 0)

		return;



	hwif->atapi_dma  = 1;

	hwif->mwdma_mask = 0x07;

	hwif->swdma_mask = 0x07;