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: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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@ -115,6 +115,9 @@ static void __devinit init_hwif_triflex(ide_hwif_t *hwif)
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hwif->tuneproc = &triflex_tune_drive;
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hwif->speedproc = &triflex_tune_chipset;
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if (hwif->dma_base == 0)
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return;
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hwif->atapi_dma = 1;
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hwif->mwdma_mask = 0x07;
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hwif->swdma_mask = 0x07;
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