From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A7E30C433ED for ; Tue, 27 Apr 2021 15:15:48 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 33FFC61077 for ; Tue, 27 Apr 2021 15:15:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 33FFC61077 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:35532 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lbPRD-0001Gr-0z for qemu-devel@archiver.kernel.org; Tue, 27 Apr 2021 11:15:47 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54850) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lbPKG-0003L6-1a for qemu-devel@nongnu.org; Tue, 27 Apr 2021 11:08:36 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:46656) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lbPKD-0002At-R2 for qemu-devel@nongnu.org; Tue, 27 Apr 2021 11:08:35 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1619536113; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/HJFAud+TtfwJvJFxfYcM/EjMumg7bYZoLYxL2UHqFA=; b=OGWqOSQQ0Aw6d2jIeax4jdILAf+T6klf2ZSQ3OEsoRWJTIHfJTev9VRFpe17s+9uoPpCWF kNKiDr8xwFA1Hfksdwykp+AfnPI2FiWsLd0m3WnwegoIVOzJ9bMzLx3hAaJtbFowsavo6e 35WUeT8mhqrUgcjifa8S32eKKPEzipk= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-452-sYUSFxUjM9GSsHW1J3hwBg-1; Tue, 27 Apr 2021 11:08:31 -0400 X-MC-Unique: sYUSFxUjM9GSsHW1J3hwBg-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 81D6E1922960 for ; Tue, 27 Apr 2021 15:08:30 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-203.ams2.redhat.com [10.36.112.203]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 0CFC76064B; Tue, 27 Apr 2021 15:08:27 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id F27201800399; Tue, 27 Apr 2021 17:08:24 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH v2 1/8] qemu-edid: use qemu_edid_size() Date: Tue, 27 Apr 2021 17:08:17 +0200 Message-Id: <20210427150824.638359-2-kraxel@redhat.com> In-Reply-To: <20210427150824.638359-1-kraxel@redhat.com> References: <20210427150824.638359-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 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; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.218, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Gerd Hoffmann Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" So we only write out that part of the edid blob which has been filled with data. Also use a larger buffer for the blob. Signed-off-by: Gerd Hoffmann --- qemu-edid.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/qemu-edid.c b/qemu-edid.c index 1cd6a9517238..c3a9fba10dc4 100644 --- a/qemu-edid.c +++ b/qemu-edid.c @@ -41,7 +41,8 @@ static void usage(FILE *out) int main(int argc, char *argv[]) { FILE *outfile = NULL; - uint8_t blob[256]; + uint8_t blob[512]; + size_t size; uint32_t dpi = 100; int rc; @@ -119,7 +120,8 @@ int main(int argc, char *argv[]) memset(blob, 0, sizeof(blob)); qemu_edid_generate(blob, sizeof(blob), &info); - fwrite(blob, sizeof(blob), 1, outfile); + size = qemu_edid_size(blob); + fwrite(blob, size, 1, outfile); fflush(outfile); exit(0); -- 2.30.2