On Fri, Nov 16, 2012 at 3:56 PM, Felipe Balbi <ba...@ti.com> wrote: > On Fri, Nov 16, 2012 at 03:59:16PM +0200, Andy Shevchenko wrote: >> dma_transfer_direction is a normal enum. It means we can't usually use the >> values as bit fields. Let's adjust this check and move it above the usage of >> the direction parameter. > > why above the direction parameter ? You need to explain why ? Is it just > because 'it looks nicer' or have you found another bug triggered by > that ?
Many of current users do something like this: if (dir == MEM_TO_DEV) { ... } *else* { ... } that potentially could trigger the bug. -- With Best Regards, Andy Shevchenko -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/