cs5530: add missing ->dma_base check

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

Also this host driver requires valid PCI BAR4 for normal operation so
check it in ->init_chipset and fail initialization if not set.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

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Bartlomiej Zolnierkiewicz 2007-08-20 22:42:56 +02:00

parent adcd33d41b

commit f7b0d2df2f

1 changed files with 7 additions and 1 deletions

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drivers/ide/pci/cs5530.c

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