Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=88b47040f8365ad56ecfd4103e964ba9b695987e
Commit: 88b47040f8365ad56ecfd4103e964ba9b695987e
Parent: e98d6e50be87c1ad2df81f73c7442cf631d6f931
Author: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
AuthorDate: Mon Aug 20 22:42:56 2007 +0200
Committer: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
CommitDate: Mon Aug 20 22:42:56 2007 +0200
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 <[EMAIL PROTECTED]>
Signed-off-by: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
---
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 024bbfa..098692a 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;
-
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