Re: [PATCH v3 1/2] Staging: comedi: convert while loops to timeouts in

From: Greg KH
Date: Sat Mar 08 2014 - 22:00:29 EST


On Fri, Mar 07, 2014 at 07:43:04PM -0600, Chase Southwood wrote:
> This patch changes a handful of while loops to timeouts to prevent
> infinite looping on hardware failure. A couple such loops are in a
> function (s626_debi_transfer()) which is called from critical sections,
> so comedi_timeout() is unusable for them, and an iterative timeout is
> used instead. For the while loops in a context where comedi_timeout() is
> allowed, a new callback function, s626_send_dac_eoc(), has been defined
> to evaluate the conditions that the while loops are testing. The new
> callback employs a switch statement based on a simple new enum so that
> it is usable for all of the different conditions tested in while loops
> in s626_send_dac(). The proper comedi_timeout() calls are then used.

Your subject seems to be missing a word at the end of it :(
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/