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From: | Daniel Henrique Barboza |
Subject: | Re: [PATCH] hw/display/sm501: Remove unneeded increment from loop |
Date: | Thu, 13 Apr 2023 18:26:20 -0300 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.9.1 |
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);
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