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| author |   Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-08-20 22:42:56 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-08-20 22:42:56 +0200 |
| commit | 88b47040f8365ad56ecfd4103e964ba9b695987e (patch) | |
| tree | 861e91d67f275cbeaed2beb34a5d705a40dbdae2 | |
| parent | pdc202xx_old: add missing ->dma_base check (diff) | |
| download | linux-dev-88b47040f8365ad56ecfd4103e964ba9b695987e.tar.xz linux-dev-88b47040f8365ad56ecfd4103e964ba9b695987e.zip | |
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>
| -rw-r--r-- | drivers/ide/pci/triflex.c | 3 |
1 files changed, 3 insertions, 0 deletions
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; |