From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f46.google.com (mail-pj1-f46.google.com [209.85.216.46]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6508F177 for ; Tue, 27 Jul 2021 20:59:03 +0000 (UTC) Received: by mail-pj1-f46.google.com with SMTP id j18-20020a17090aeb12b029017737e6c349so800859pjz.0 for ; Tue, 27 Jul 2021 13:59:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=7nuFdIglNEHNCZJ4OURvNLaS8oKexf2Xbsw8tAobRMI=; b=fXdIa5xzPdxqW9JkE+8PrL7R3HOjzt/uPGhXwllYH14fLZCAy6MK5N+Aom2hlW1RLu LzaLP/I2bdBUasKo/LWt7kuMLca0bx1GK2a8LA0g1v3rpw0p8gJnsxnOKfkunXhaof5t +9cGUtaq4+nJifYIALqVfSUNMPZBcUPcyBLJc= 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=7nuFdIglNEHNCZJ4OURvNLaS8oKexf2Xbsw8tAobRMI=; b=l4U305lgBobUU9HM9op2OHkQ72oFleAtKu7OjcuCf57dYEbM5DY9PzlC64wFbs6QDw ZEQA5jioKiQa1QZSWVuVUC49yw1h6SxVk4s6HZSm8OSt7DjlWJXv0CC25tPAZnoVSCZg mu3mcEjyWafFu6tvfCoTw+L+NI4tTlV1N15iyflG0k2826bfOl4+ON+sSSp9mkrwefhB FObtG6QyKNrAjp4qD/nZBD0g0xjA1OSg1RmbSGgYCl5Ab2rdjg742k0mEr9DI+HD/vI1 lQS/fqQI0yZ2J1euJNrZpXakpPNbyTojDJBverw7XHYSte7pVqjvdOkIiJEc2cR8LtBe k/jg== X-Gm-Message-State: AOAM533rOhr+HY0CPKX1SbxhP6p+4Iwgn6pl4CC4giMApLsUM9u9lehE 559AOTkpioft7K2qzRKBqBcTXQ== X-Google-Smtp-Source: ABdhPJxucZUfEOCwFmOc5wsWAybtREO6GX9yQ3Vd7QeNwkxYfGm08yYOn/RWC1L2rMGwaMab2R+i4g== X-Received: by 2002:a17:90a:af8c:: with SMTP id w12mr12989398pjq.109.1627419543028; Tue, 27 Jul 2021 13:59:03 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id i1sm3849350pjs.31.2021.07.27.13.59.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Jul 2021 13:59:02 -0700 (PDT) From: Kees Cook To: linux-hardening@vger.kernel.org Cc: Kees Cook , "Gustavo A. R. Silva" , Keith Packard , Greg Kroah-Hartman , Andrew Morton , linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-staging@lists.linux.dev, linux-block@vger.kernel.org, linux-kbuild@vger.kernel.org, clang-built-linux@googlegroups.com Subject: [PATCH 01/64] media: omap3isp: Extract struct group for memcpy() region Date: Tue, 27 Jul 2021 13:57:52 -0700 Message-Id: <20210727205855.411487-2-keescook@chromium.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210727205855.411487-1-keescook@chromium.org> References: <20210727205855.411487-1-keescook@chromium.org> Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=4703; h=from:subject; bh=LCf4h7e2PK4sOgvQBd73gWCkmhRKJC4tH4kH78fVevA=; b=owEBbQKS/ZANAwAKAYly9N/cbcAmAcsmYgBhAHOAJSAPyozNrKWpqJWAzYod2fmvBM+4l2MwYKWh O4ocQxiJAjMEAAEKAB0WIQSlw/aPIp3WD3I+bhOJcvTf3G3AJgUCYQBzgAAKCRCJcvTf3G3AJoP0D/ 9KTuhNSJSjVRPOJFWeuepSlknmUmM/K2t4MDDXqOX/kDkR2wcXh6ttU5lVNW0YgBjHXAF5eWLYpPt5 XHm/KeoOX2MLhuXazp4Ti4YBKlziUsZTs5O6dl8oGQF8vvSOgQVD4x549qIJAaUMy/Q9HqWzVqq85p yP3Plkr/yT7Fr9RDFQxzPqOdsDFBoD1ZLcppau6vdTB0PZWIhyCpFYq2uKiDluWvj75Xhxrp9micdg U2R1bGYEEaNcOOSkguLQYe0+7XbhyY11oRTvhbZEZRUrrqPf99XF/yF1XvvLi6e8z/hVvbVGsEd8Mv Qiu6hKrvxmLG/6Gu1PUewl4RyNN90iXJ3Rh3zLatEPwPBHAFaGnBpr5RP4Ntn7iSsskKZBwlebvul7 dZxKtji4NE+xbeZup0zNKAjAcLeI8QVdmPiAbeqCybdrJc75zf4LhhuDwRXTdbrsXCooEGGuiMw3/v x+EUAxYAP0mwGpMCMNzDB9dpyGAKbRXmGfGhZu9JSilm3k8JsxQ47nQ3+PU4JxTEAGP/RA6CAwR6zV 7KB5mLzU0yyN2b7Az2uKl0RkeneD9qcEy0xqorM/qFH7O+d020ljiEXSwPXdgJdOF7fiAdpmoeK2uM 3RKFyedkYhLmnhtvfdEg6qb1tMNiC33AbBzVnm8LJMBkL2upkdQjzlsDvzsA== X-Developer-Key: i=keescook@chromium.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Content-Transfer-Encoding: 8bit In preparation for FORTIFY_SOURCE performing compile-time and run-time field bounds checking for memcpy(), memmove(), and memset(), avoid intentionally writing across neighboring fields. Wrap the target region in a common named structure. This additionally fixes a theoretical misalignment of the copy (since the size of "buf" changes between 64-bit and 32-bit, but this is likely never built for 64-bit). FWIW, I think this code is totally broken on 64-bit (which appears to not be a "real" build configuration): it would either always fail (with an uninitialized data->buf_size) or would cause corruption in userspace due to the copy_to_user() in the call path against an uninitialized data->buf value: omap3isp_stat_request_statistics_time32(...) struct omap3isp_stat_data data64; ... omap3isp_stat_request_statistics(stat, &data64); int omap3isp_stat_request_statistics(struct ispstat *stat, struct omap3isp_stat_data *data) ... buf = isp_stat_buf_get(stat, data); static struct ispstat_buffer *isp_stat_buf_get(struct ispstat *stat, struct omap3isp_stat_data *data) ... if (buf->buf_size > data->buf_size) { ... return ERR_PTR(-EINVAL); } ... rval = copy_to_user(data->buf, buf->virt_addr, buf->buf_size); Regardless, additionally initialize data64 to be zero-filled to avoid undefined behavior. Fixes: 378e3f81cb56 ("media: omap3isp: support 64-bit version of omap3isp_stat_data") Signed-off-by: Kees Cook --- drivers/media/platform/omap3isp/ispstat.c | 5 +-- include/uapi/linux/omap3isp.h | 44 +++++++++++++++++------ 2 files changed, 36 insertions(+), 13 deletions(-) diff --git a/drivers/media/platform/omap3isp/ispstat.c b/drivers/media/platform/omap3isp/ispstat.c index 5b9b57f4d9bf..ea8222fed38e 100644 --- a/drivers/media/platform/omap3isp/ispstat.c +++ b/drivers/media/platform/omap3isp/ispstat.c @@ -512,7 +512,7 @@ int omap3isp_stat_request_statistics(struct ispstat *stat, int omap3isp_stat_request_statistics_time32(struct ispstat *stat, struct omap3isp_stat_data_time32 *data) { - struct omap3isp_stat_data data64; + struct omap3isp_stat_data data64 = { }; int ret; ret = omap3isp_stat_request_statistics(stat, &data64); @@ -521,7 +521,8 @@ int omap3isp_stat_request_statistics_time32(struct ispstat *stat, data->ts.tv_sec = data64.ts.tv_sec; data->ts.tv_usec = data64.ts.tv_usec; - memcpy(&data->buf, &data64.buf, sizeof(*data) - sizeof(data->ts)); + data->buf = (uintptr_t)data64.buf; + memcpy(&data->frame, &data64.buf, sizeof(data->frame)); return 0; } diff --git a/include/uapi/linux/omap3isp.h b/include/uapi/linux/omap3isp.h index 87b55755f4ff..0a16af91621f 100644 --- a/include/uapi/linux/omap3isp.h +++ b/include/uapi/linux/omap3isp.h @@ -159,13 +159,25 @@ struct omap3isp_h3a_aewb_config { }; /** - * struct omap3isp_stat_data - Statistic data sent to or received from user - * @ts: Timestamp of returned framestats. - * @buf: Pointer to pass to user. + * struct omap3isp_stat_frame - Statistic data without timestamp nor pointer. + * @buf_size: Size of buffer. * @frame_number: Frame number of requested stats. * @cur_frame: Current frame number being processed. * @config_counter: Number of the configuration associated with the data. */ +struct omap3isp_stat_frame { + __u32 buf_size; + __u16 frame_number; + __u16 cur_frame; + __u16 config_counter; +}; + +/** + * struct omap3isp_stat_data - Statistic data sent to or received from user + * @ts: Timestamp of returned framestats. + * @buf: Pointer to pass to user. + * @frame: Statistic data for frame. + */ struct omap3isp_stat_data { #ifdef __KERNEL__ struct { @@ -176,10 +188,15 @@ struct omap3isp_stat_data { struct timeval ts; #endif void __user *buf; - __u32 buf_size; - __u16 frame_number; - __u16 cur_frame; - __u16 config_counter; + union { + struct { + __u32 buf_size; + __u16 frame_number; + __u16 cur_frame; + __u16 config_counter; + }; + struct omap3isp_stat_frame frame; + }; }; #ifdef __KERNEL__ @@ -189,10 +206,15 @@ struct omap3isp_stat_data_time32 { __s32 tv_usec; } ts; __u32 buf; - __u32 buf_size; - __u16 frame_number; - __u16 cur_frame; - __u16 config_counter; + union { + struct { + __u32 buf_size; + __u16 frame_number; + __u16 cur_frame; + __u16 config_counter; + }; + struct omap3isp_stat_frame frame; + }; }; #endif -- 2.30.2 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 ADE26C4338F for ; Tue, 27 Jul 2021 20:59:13 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 7CF0961019 for ; Tue, 27 Jul 2021 20:59:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 7CF0961019 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BC28E6E5D3; Tue, 27 Jul 2021 20:59:07 +0000 (UTC) Received: from mail-pj1-x1032.google.com (mail-pj1-x1032.google.com [IPv6:2607:f8b0:4864:20::1032]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5B3686E111 for ; Tue, 27 Jul 2021 20:59:03 +0000 (UTC) Received: by mail-pj1-x1032.google.com with SMTP id b1-20020a17090a8001b029017700de3903so4088271pjn.1 for ; Tue, 27 Jul 2021 13:59:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=7nuFdIglNEHNCZJ4OURvNLaS8oKexf2Xbsw8tAobRMI=; b=fXdIa5xzPdxqW9JkE+8PrL7R3HOjzt/uPGhXwllYH14fLZCAy6MK5N+Aom2hlW1RLu LzaLP/I2bdBUasKo/LWt7kuMLca0bx1GK2a8LA0g1v3rpw0p8gJnsxnOKfkunXhaof5t +9cGUtaq4+nJifYIALqVfSUNMPZBcUPcyBLJc= 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=7nuFdIglNEHNCZJ4OURvNLaS8oKexf2Xbsw8tAobRMI=; b=b3k512V7UdjbYW/tNBvDiOrhtElIoKajkqoWBstt4fN8wlddkMSXcZC60Z40oKrXCX ci9ElHJt2/AKzCCoQAl0cVGSlKHhhvme9YOmXh94HhAmOywWCfUniINZJkFn87sz8+C1 He/QozU956LhJUxZ7eCTViCjc8iJyc13sTNpsv8u/3C7DtTU8SlQo2HKfZqkBXr7VqT2 89tXu1JzLM7AXig5ozn41/sbKFfXRlz/FacYxrc/2wqfn4hkVwDvm17uyYAqw4y1PhnB pKhkRDQmb07rUowscJOHQRowCwLNaQejyc+YIXqnvfNKFVfa75oRJX8DVgeFAIVdjIib ksrA== X-Gm-Message-State: AOAM533zc0mbSPlaOZpNk7S/DSEgbzcy/ssJ2YUhaJBOPNHcc6zQVTyW DbR7cTgI5UE82J47gST4FJfULA== X-Google-Smtp-Source: ABdhPJxucZUfEOCwFmOc5wsWAybtREO6GX9yQ3Vd7QeNwkxYfGm08yYOn/RWC1L2rMGwaMab2R+i4g== X-Received: by 2002:a17:90a:af8c:: with SMTP id w12mr12989398pjq.109.1627419543028; Tue, 27 Jul 2021 13:59:03 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id i1sm3849350pjs.31.2021.07.27.13.59.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Jul 2021 13:59:02 -0700 (PDT) From: Kees Cook To: linux-hardening@vger.kernel.org Subject: [PATCH 01/64] media: omap3isp: Extract struct group for memcpy() region Date: Tue, 27 Jul 2021 13:57:52 -0700 Message-Id: <20210727205855.411487-2-keescook@chromium.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210727205855.411487-1-keescook@chromium.org> References: <20210727205855.411487-1-keescook@chromium.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=4703; h=from:subject; bh=LCf4h7e2PK4sOgvQBd73gWCkmhRKJC4tH4kH78fVevA=; b=owEBbQKS/ZANAwAKAYly9N/cbcAmAcsmYgBhAHOAJSAPyozNrKWpqJWAzYod2fmvBM+4l2MwYKWh O4ocQxiJAjMEAAEKAB0WIQSlw/aPIp3WD3I+bhOJcvTf3G3AJgUCYQBzgAAKCRCJcvTf3G3AJoP0D/ 9KTuhNSJSjVRPOJFWeuepSlknmUmM/K2t4MDDXqOX/kDkR2wcXh6ttU5lVNW0YgBjHXAF5eWLYpPt5 XHm/KeoOX2MLhuXazp4Ti4YBKlziUsZTs5O6dl8oGQF8vvSOgQVD4x549qIJAaUMy/Q9HqWzVqq85p yP3Plkr/yT7Fr9RDFQxzPqOdsDFBoD1ZLcppau6vdTB0PZWIhyCpFYq2uKiDluWvj75Xhxrp9micdg U2R1bGYEEaNcOOSkguLQYe0+7XbhyY11oRTvhbZEZRUrrqPf99XF/yF1XvvLi6e8z/hVvbVGsEd8Mv Qiu6hKrvxmLG/6Gu1PUewl4RyNN90iXJ3Rh3zLatEPwPBHAFaGnBpr5RP4Ntn7iSsskKZBwlebvul7 dZxKtji4NE+xbeZup0zNKAjAcLeI8QVdmPiAbeqCybdrJc75zf4LhhuDwRXTdbrsXCooEGGuiMw3/v x+EUAxYAP0mwGpMCMNzDB9dpyGAKbRXmGfGhZu9JSilm3k8JsxQ47nQ3+PU4JxTEAGP/RA6CAwR6zV 7KB5mLzU0yyN2b7Az2uKl0RkeneD9qcEy0xqorM/qFH7O+d020ljiEXSwPXdgJdOF7fiAdpmoeK2uM 3RKFyedkYhLmnhtvfdEg6qb1tMNiC33AbBzVnm8LJMBkL2upkdQjzlsDvzsA== X-Developer-Key: i=keescook@chromium.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kees Cook , linux-kbuild@vger.kernel.org, Greg Kroah-Hartman , linux-staging@lists.linux.dev, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, "Gustavo A. R. Silva" , linux-block@vger.kernel.org, clang-built-linux@googlegroups.com, Keith Packard , netdev@vger.kernel.org, Andrew Morton Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" In preparation for FORTIFY_SOURCE performing compile-time and run-time field bounds checking for memcpy(), memmove(), and memset(), avoid intentionally writing across neighboring fields. Wrap the target region in a common named structure. This additionally fixes a theoretical misalignment of the copy (since the size of "buf" changes between 64-bit and 32-bit, but this is likely never built for 64-bit). FWIW, I think this code is totally broken on 64-bit (which appears to not be a "real" build configuration): it would either always fail (with an uninitialized data->buf_size) or would cause corruption in userspace due to the copy_to_user() in the call path against an uninitialized data->buf value: omap3isp_stat_request_statistics_time32(...) struct omap3isp_stat_data data64; ... omap3isp_stat_request_statistics(stat, &data64); int omap3isp_stat_request_statistics(struct ispstat *stat, struct omap3isp_stat_data *data) ... buf = isp_stat_buf_get(stat, data); static struct ispstat_buffer *isp_stat_buf_get(struct ispstat *stat, struct omap3isp_stat_data *data) ... if (buf->buf_size > data->buf_size) { ... return ERR_PTR(-EINVAL); } ... rval = copy_to_user(data->buf, buf->virt_addr, buf->buf_size); Regardless, additionally initialize data64 to be zero-filled to avoid undefined behavior. Fixes: 378e3f81cb56 ("media: omap3isp: support 64-bit version of omap3isp_stat_data") Signed-off-by: Kees Cook --- drivers/media/platform/omap3isp/ispstat.c | 5 +-- include/uapi/linux/omap3isp.h | 44 +++++++++++++++++------ 2 files changed, 36 insertions(+), 13 deletions(-) diff --git a/drivers/media/platform/omap3isp/ispstat.c b/drivers/media/platform/omap3isp/ispstat.c index 5b9b57f4d9bf..ea8222fed38e 100644 --- a/drivers/media/platform/omap3isp/ispstat.c +++ b/drivers/media/platform/omap3isp/ispstat.c @@ -512,7 +512,7 @@ int omap3isp_stat_request_statistics(struct ispstat *stat, int omap3isp_stat_request_statistics_time32(struct ispstat *stat, struct omap3isp_stat_data_time32 *data) { - struct omap3isp_stat_data data64; + struct omap3isp_stat_data data64 = { }; int ret; ret = omap3isp_stat_request_statistics(stat, &data64); @@ -521,7 +521,8 @@ int omap3isp_stat_request_statistics_time32(struct ispstat *stat, data->ts.tv_sec = data64.ts.tv_sec; data->ts.tv_usec = data64.ts.tv_usec; - memcpy(&data->buf, &data64.buf, sizeof(*data) - sizeof(data->ts)); + data->buf = (uintptr_t)data64.buf; + memcpy(&data->frame, &data64.buf, sizeof(data->frame)); return 0; } diff --git a/include/uapi/linux/omap3isp.h b/include/uapi/linux/omap3isp.h index 87b55755f4ff..0a16af91621f 100644 --- a/include/uapi/linux/omap3isp.h +++ b/include/uapi/linux/omap3isp.h @@ -159,13 +159,25 @@ struct omap3isp_h3a_aewb_config { }; /** - * struct omap3isp_stat_data - Statistic data sent to or received from user - * @ts: Timestamp of returned framestats. - * @buf: Pointer to pass to user. + * struct omap3isp_stat_frame - Statistic data without timestamp nor pointer. + * @buf_size: Size of buffer. * @frame_number: Frame number of requested stats. * @cur_frame: Current frame number being processed. * @config_counter: Number of the configuration associated with the data. */ +struct omap3isp_stat_frame { + __u32 buf_size; + __u16 frame_number; + __u16 cur_frame; + __u16 config_counter; +}; + +/** + * struct omap3isp_stat_data - Statistic data sent to or received from user + * @ts: Timestamp of returned framestats. + * @buf: Pointer to pass to user. + * @frame: Statistic data for frame. + */ struct omap3isp_stat_data { #ifdef __KERNEL__ struct { @@ -176,10 +188,15 @@ struct omap3isp_stat_data { struct timeval ts; #endif void __user *buf; - __u32 buf_size; - __u16 frame_number; - __u16 cur_frame; - __u16 config_counter; + union { + struct { + __u32 buf_size; + __u16 frame_number; + __u16 cur_frame; + __u16 config_counter; + }; + struct omap3isp_stat_frame frame; + }; }; #ifdef __KERNEL__ @@ -189,10 +206,15 @@ struct omap3isp_stat_data_time32 { __s32 tv_usec; } ts; __u32 buf; - __u32 buf_size; - __u16 frame_number; - __u16 cur_frame; - __u16 config_counter; + union { + struct { + __u32 buf_size; + __u16 frame_number; + __u16 cur_frame; + __u16 config_counter; + }; + struct omap3isp_stat_frame frame; + }; }; #endif -- 2.30.2