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    SubjectRe: [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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