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From: Daniel Henrique Barboza <danielhb413@gmail.com>
To: BALATON Zoltan <balaton@eik.bme.hu>,
	qemu-devel@nongnu.org, qemu-ppc@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>
Subject: Re: [PATCH] hw/display/sm501: Remove unneeded increment from loop
Date: Thu, 13 Apr 2023 18:26:20 -0300	[thread overview]
Message-ID: <659ecae8-3129-ab87-43cd-c6816c11e370@gmail.com> (raw)
In-Reply-To: <20230405161234.6EF0A74633D@zero.eik.bme.hu>



On 4/5/23 12:57, BALATON Zoltan wrote:
> As Coverity points out (CID 1508621) the calculation to increment i in
> the fill fallback loop is ineffective as it is overwritten in next
> statement. This was left there by mistake from a previous version but
> is not needed in the current approach so remove the superfluous
> increment statement.
> 
> Reported-by: Peter Maydell <peter.maydell@linaro.org>
> Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
> ---

Queued in gitlab.com/danielhb/qemu/tree/ppc-next. I'll send it out as soon
as 8.1 dev window opens up.

Thanks,

Daniel

>   hw/display/sm501.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/hw/display/sm501.c b/hw/display/sm501.c
> index dbabbc4339..0eecd00701 100644
> --- a/hw/display/sm501.c
> +++ b/hw/display/sm501.c
> @@ -901,7 +901,7 @@ static void sm501_2d_operation(SM501State *s)
>               /* fallback when pixman failed or we don't want to call it */
>               uint8_t *d = s->local_mem + dst_base;
>               unsigned int x, y, i;
> -            for (y = 0; y < height; y++, i += dst_pitch * bypp) {
> +            for (y = 0; y < height; y++) {
>                   i = (dst_x + (dst_y + y) * dst_pitch) * bypp;
>                   for (x = 0; x < width; x++, i += bypp) {
>                       stn_he_p(&d[i], bypp, color);


      parent reply	other threads:[~2023-04-13 21:27 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-05 15:57 [PATCH] hw/display/sm501: Remove unneeded increment from loop BALATON Zoltan
2023-04-05 16:31 ` Philippe Mathieu-Daudé
2023-04-13 21:26 ` Daniel Henrique Barboza [this message]

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