Messages in this thread |  | | | Date | Wed, 5 Mar 2008 08:02:02 +0100 | | From | Ingo Molnar <> | | Subject | Re: [PATCH 6/9] drivers/net/wireless/iwlwifi/iwl-4965.c: Correct use of ! and & |
* Christopher Li <sparse@chrisli.org> wrote:
> I think Al Viro has sent a patch to linux-sparse with subject "[PATCH
> 3/3] catch !x & y brainos" does exactly that.
ah - nice :-)
/me checks the linux-sparse archive
Al's patch is:
+ if (op == '&' && expr->left->type == EXPR_PREOP &&
+ expr->left->op == '!')
+ warning(expr->pos, "dubious: !x & y");
i think there might be similar patterns: "x & !y", "!x | y", "x | !y" ?
Ingo
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