On Wed, Jan 20, 2010 at 11:48, Alexey Dobriyan <adobriyan@xxxxxxxxx> wrote: > On Wed, Jan 20, 2010 at 12:08 PM, <monstr@xxxxxxxxx> wrote: >> From: Michal Simek <monstr@xxxxxxxxx> >> >> Check that dma_ops are initialized correctly. Without this >> checking you get kernel fault and you don't know where the problem is. > > Oh, yes you do. PC will be of some small value. And the backtrace will tell you where to look... >> + BUG_ON(!ops); >> BUG_ON(!valid_dma_direction(dir)); >> addr = ops->map_page(dev, virt_to_page(ptr), Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html