From 88b47040f8365ad56ecfd4103e964ba9b695987e Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 20 Aug 2007 22:42:56 +0200 Subject: [PATCH] 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 Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/pci/triflex.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/ide/pci/triflex.c b/drivers/ide/pci/triflex.c index 024bbfae0429..098692a6d615 100644 --- a/drivers/ide/pci/triflex.c +++ b/drivers/ide/pci/triflex.c @@ -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; -- 2.39.5