Re: [PATCH] 6pack: fix "&= !" typo

From: Ralf Baechle
Date: Fri Nov 24 2006 - 16:42:48 EST


On Fri, Nov 24, 2006 at 10:23:06PM +0100, Willy Tarreau wrote:

> One more reason to perform more code reviews helped with automated tools.
> We found this one and the rio's one while discussing with Jean Delvare
> about such bugs, and firing a random grep to illustrate how easy it could
> be to spot bugs similar to Alexey's "&&" instead of "&" ...
>
> I think that we should at least take a look at all lines in the pre-processed
> code having both '!' and '&' on the same line. There are a lot of them, but
> divided by a sufficient number of volunteers, we might catch a bunch of them.
>
> BTW, has anyone a good idea on how to make gcc dump the preprocessed files
> for everything it builds ? I mean, just by changing some variables in the
> Makefile.

It seems to might be about to re-invent sparse which is probably the
right framework for such semantic tests.

Ralf
-
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/