Message ID | 20210510132051.2208563-8-kraxel@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Mon, 10 May 2021 13:21:48 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-11.ams2.redhat.com [10.36.112.11]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 8329862953; Mon, 10 May 2021 13:21:41 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 6464D18003B6; Mon, 10 May 2021 15:20:51 +0200 (CEST) From: Gerd Hoffmann <kraxel@redhat.com> To: qemu-devel@nongnu.org Subject: [PULL 07/25] edid: allow arbitrary-length checksums Date: Mon, 10 May 2021 15:20:33 +0200 Message-Id: <20210510132051.2208563-8-kraxel@redhat.com> In-Reply-To: <20210510132051.2208563-1-kraxel@redhat.com> References: <20210510132051.2208563-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" Received-SPF: pass client-ip=170.10.133.124; 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Tsirkin" <mst@redhat.com> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org> |
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[PULL,01/25] qemu-edid: use qemu_edid_size()
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diff --git a/hw/display/edid-generate.c b/hw/display/edid-generate.c index b70ab1557e50..bdd01571fc9b 100644 --- a/hw/display/edid-generate.c +++ b/hw/display/edid-generate.c @@ -159,17 +159,17 @@ static void edid_fill_modes(uint8_t *edid, uint8_t *xtra3, uint8_t *dta, } } -static void edid_checksum(uint8_t *edid) +static void edid_checksum(uint8_t *edid, size_t len) { uint32_t sum = 0; int i; - for (i = 0; i < 127; i++) { + for (i = 0; i < len; i++) { sum += edid[i]; } sum &= 0xff; if (sum) { - edid[127] = 0x100 - sum; + edid[len] = 0x100 - sum; } } @@ -474,9 +474,9 @@ void qemu_edid_generate(uint8_t *edid, size_t size, /* =============== finish up =============== */ - edid_checksum(edid); + edid_checksum(edid, 127); if (dta) { - edid_checksum(dta); + edid_checksum(dta, 127); } }