Re: [PATCH] fix pointer casts in evaluate_compare()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, May 16, 2013 at 11:55 PM, Xi Wang <xi.wang@xxxxxxxxx> wrote:
> The results of cast_to() seem unused.  Assign them to expr->left and
> expr->right.
>
> Signed-off-by: Xi Wang <xi.wang@xxxxxxxxx>

How did you find about this? Is this needed to fix a reproducible issue?

> ---
>  evaluate.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/evaluate.c b/evaluate.c
> index 0dfa519..d9c767f 100644
> --- a/evaluate.c
> +++ b/evaluate.c
> @@ -1024,11 +1024,11 @@ static struct symbol *evaluate_compare(struct expression *expr)
>                         goto OK;
>                 }
>                 if (is_null1 && (rclass & TYPE_PTR)) {
> -                       left = cast_to(left, rtype);
> +                       expr->left = cast_to(left, rtype);
>                         goto OK;
>                 }
>                 if (is_null2 && (lclass & TYPE_PTR)) {
> -                       right = cast_to(right, ltype);
> +                       expr->right = cast_to(right, ltype);
>                         goto OK;
>                 }
>         }
> @@ -1044,11 +1044,11 @@ static struct symbol *evaluate_compare(struct expression *expr)
>         if (expr->op == SPECIAL_EQUAL || expr->op == SPECIAL_NOTEQUAL) {
>                 if (ltype->ctype.as == rtype->ctype.as) {
>                         if (lbase == &void_ctype) {
> -                               right = cast_to(right, ltype);
> +                               expr->right = cast_to(right, ltype);
>                                 goto OK;
>                         }
>                         if (rbase == &void_ctype) {
> -                               left = cast_to(left, rtype);
> +                               expr->left = cast_to(left, rtype);
>                                 goto OK;
>                         }
>                 }
> --
> 1.8.1.2
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-sparse" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
--
To unsubscribe from this list: send the line "unsubscribe linux-sparse" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Newbies FAQ]     [LKML]     [IETF Annouce]     [DCCP]     [Netdev]     [Networking]     [Security]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux SCSI]     [Trinity Fuzzer Tool]

  Powered by Linux