Re: [PATCH] serial: sirf: Simplify a test

[Christophe JAILLET]

Le 07/11/2016 à 14:50, Arnd Bergmann a écrit :
> On Tuesday, November 1, 2016 8:03:33 AM CET Christophe JAILLET wrote:
> > 'dmaengine_prep_dma_cyclic()' does not return an error pointer, so the test
> > can be simplified to be more consistent.
> >
> > Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> The change looks correct in principle. It would be good to automate looking
> for other instances of this bug. How did you find it? Do you have e.g. a
> coccinelle script or did you just stumble over the issue by accident?
Hi,

You can have an idea of the strategy used in this post:
   https://lkml.org/lkml/2016/11/1/388

Julia is currently working on a more complete strategy in order to find 
such issues.

In the meantime, if you want, I can send the coccinelle scripts used.

Best regards,
CJ