From patchwork Thu Mar 25 10:29:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanimir Varbanov X-Patchwork-Id: 12163675 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 017AAC433DB for ; Thu, 25 Mar 2021 10:31:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9F12D61A27 for ; Thu, 25 Mar 2021 10:31:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229716AbhCYKak (ORCPT ); Thu, 25 Mar 2021 06:30:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55494 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230160AbhCYKaQ (ORCPT ); Thu, 25 Mar 2021 06:30:16 -0400 Received: from mail-ed1-x529.google.com (mail-ed1-x529.google.com [IPv6:2a00:1450:4864:20::529]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6B5ABC06174A for ; Thu, 25 Mar 2021 03:30:14 -0700 (PDT) Received: by mail-ed1-x529.google.com with SMTP id z1so1800039edb.8 for ; Thu, 25 Mar 2021 03:30:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=4LQrkxh9XKHSRaKe0wqWIdW7sIgBGHX5Nu3p1oqv7x4=; b=ktbIalbIIhDCdyngNwWDlOVfaSjCsoG/22ZJREjlWiLrrXgprFTB0BRCCY5DIOZcg4 nVaPlzjlWEjDEKW6czVHMHIayNA/dLCes0Q4X7dg/t85hzwjLtLZbYjow3EZdOHGinY3 Ps8k6UduYvXcIs2ySVvKAmWMWFh6bv8ZeyZjRboLNqMTh7J/fGSfdketOF+kKtFiyunk wvEbAaHr9bcZ29A1UKgGrLvRqbeR8pki0wCOph5VuBPlK8yxgVRIar3rfezQ0cNozVHE v+TiHsx5GUm5HaMQMBEXLjlv8vc/qrd8kotXON8EIbKGzb6c8htA30rTKBxLdt5ApG34 I0OQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=4LQrkxh9XKHSRaKe0wqWIdW7sIgBGHX5Nu3p1oqv7x4=; b=W2YypOmIXPBHBns+F+E15eHev8RzWeY6T81nCJs00m5OxMiz4ms8zcRP9tUfU46WFx rvnHaEC3q1rCwmrNPfq96BH//x/cMGPDETS7uyMej6yi4sUGxbfFwMO+D8vDeK5qzzGv AX/sGkqhT8reEzSWusB+x6auiCp2z37dq+4ZhprTkNf1JDuf/BPrSaGl+vrST/zqh97A DqimsEPXh5rxyTeYXpOMmOFZ0E3s5eK1bHFf1URSdDBmmTSef0PXX1EBfTjeGrm9DSFo Nbg9KTU9VqLEWkZEwnpdSwXwHGq8SFwOfkbFk9uXoZzz8Awclz6ehoQsW2/+1o1Hri8k FY/g== X-Gm-Message-State: AOAM532H6v+QdFQqkAIdZY8Ubka9Q47uehIOk4vQcNg+YpKTHTSI6Lbg yS/y28rNPWnE58fiqPxr5FpxH4kcr+c+y+50 X-Google-Smtp-Source: ABdhPJxAqMqXxBiv+v4j+0aErmfQrk/eYif57JfWpxs2WNj4nAW7w2+GLoMEjOL6MsZg2Wo06Q9t4A== X-Received: by 2002:aa7:cd63:: with SMTP id ca3mr8274164edb.265.1616668213051; Thu, 25 Mar 2021 03:30:13 -0700 (PDT) Received: from localhost.localdomain (hst-221-104.medicom.bg. [84.238.221.104]) by smtp.gmail.com with ESMTPSA id z20sm2407661edd.0.2021.03.25.03.30.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Mar 2021 03:30:12 -0700 (PDT) From: Stanimir Varbanov To: linux-media@vger.kernel.org Cc: Mauro Carvalho Chehab , Arnd Bergmann , Hans Verkuil , Stanimir Varbanov Subject: [PATCH] v4l: Cast timestamp tv_usec to singned Date: Thu, 25 Mar 2021 12:29:52 +0200 Message-Id: <20210325102952.1126952-1-stanimir.varbanov@linaro.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Some of the MPEG4 standards allows negative timestamps. Correct tv_usec cast to s32. Signed-off-by: Stanimir Varbanov --- include/media/v4l2-common.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h index 3eb202259e8c..1ed61416003a 100644 --- a/include/media/v4l2-common.h +++ b/include/media/v4l2-common.h @@ -544,11 +544,11 @@ static inline u64 v4l2_buffer_get_timestamp(const struct v4l2_buffer *buf) { /* * When the timestamp comes from 32-bit user space, there may be - * uninitialized data in tv_usec, so cast it to u32. + * uninitialized data in tv_usec, so cast it to s32. * Otherwise allow invalid input for backwards compatibility. */ return buf->timestamp.tv_sec * NSEC_PER_SEC + - (u32)buf->timestamp.tv_usec * NSEC_PER_USEC; + (s32)buf->timestamp.tv_usec * NSEC_PER_USEC; } static inline void v4l2_buffer_set_timestamp(struct v4l2_buffer *buf,