On Mon, Sep 12, 2016 at 3:43 PM, Felipe Balbi <felipe.ba...@linux.intel.com> wrote: > Jarkko Sakkinen <jarkko.sakki...@linux.intel.com> writes: >> On Mon, Sep 12, 2016 at 10:54:07AM +0200, Julia Lawall wrote: >>> On Sun, 11 Sep 2016, Jarkko Sakkinen wrote: >>> > On Sun, Sep 11, 2016 at 03:05:42PM +0200, Julia Lawall wrote: >>> > > Constify local structures. >>> > > >>> > > The semantic patch that makes this change is as follows: >>> > > (http://coccinelle.lip6.fr/) >>> > >>> > Just my two cents but: >>> > >>> > 1. You *can* use a static analysis too to find bugs or other issues. >>> > 2. However, you should manually do the commits and proper commit >>> > messages to subsystems based on your findings. And I generally think >>> > that if one contributes code one should also at least smoke test >>> > changes >>> > somehow. >>> > >>> > I don't know if I'm alone with my opinion. I just think that one should >>> > also do the analysis part and not blindly create and submit patches. >>> >>> All of the patches are compile tested. And the individual patches are >> >> Compile-testing is not testing. If you are not able to test a commit, >> you should explain why. > > Dude, Julia has been doing semantic patching for years already and > nobody has raised any concerns so far. There's already an expectation > that Coccinelle *works* and Julia's sematic patches are sound.
+1 > Besides, adding 'const' is something that causes virtually no functional > changes to the point that build-testing is really all you need. Any > problems caused by adding 'const' to a definition will be seen by build > errors or warnings. Unfortunately in this particular case they could lead to failures that can only be detected at runtime, when failing o write to a read-only piece of memory, due to the casting away of the constness of the pointers later. Fortunately this was detected during code review (doh...). Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org 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-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html