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[34.86.173.188]) by smtp.gmail.com with ESMTPSA id eq17-20020a05622a5e1100b004313f54aaa9sm2491449qtb.5.2024.03.25.07.50.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Mar 2024 07:50:25 -0700 (PDT) From: Ricardo Ribalda Date: Mon, 25 Mar 2024 14:50:23 +0000 Subject: [PATCH v3 1/3] staging: media: tegra-video: Fix -Wmaybe-unitialized warn in gcc Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240325-gcc-arm-warnings-v3-1-81b8c10dc18a@chromium.org> References: <20240325-gcc-arm-warnings-v3-0-81b8c10dc18a@chromium.org> In-Reply-To: <20240325-gcc-arm-warnings-v3-0-81b8c10dc18a@chromium.org> To: Thierry Reding , Jonathan Hunter , Sowjanya Komatineni , Luca Ceresoli , Mauro Carvalho Chehab , Greg Kroah-Hartman , Hans Verkuil Cc: linux-media@vger.kernel.org, linux-tegra@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, Ricardo Ribalda X-Mailer: b4 0.12.4 Make sure that tegra20_vi_get_input_formats always assign a value for yuv_input_format. Fix: drivers/staging/media/tegra-video/tegra20.c:624:72: warning: =E2=80=98yuv_i= nput_format=E2=80=99 may be used uninitialized [-Wmaybe-uninitialized] Signed-off-by: Ricardo Ribalda Reviewed-by: Luca Ceresoli --- drivers/staging/media/tegra-video/tegra20.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/staging/media/tegra-video/tegra20.c b/drivers/staging/= media/tegra-video/tegra20.c index c25286772603c..630e2ff987a37 100644 --- a/drivers/staging/media/tegra-video/tegra20.c +++ b/drivers/staging/media/tegra-video/tegra20.c @@ -164,6 +164,7 @@ static void tegra20_vi_get_input_formats(struct tegra_v= i_channel *chan, unsigned int input_mbus_code =3D chan->fmtinfo->code; =20 (*main_input_format) =3D VI_INPUT_INPUT_FORMAT_YUV422; + (*yuv_input_format) =3D VI_INPUT_YUV_INPUT_FORMAT_UYVY; =20 switch (input_mbus_code) { case MEDIA_BUS_FMT_UYVY8_2X8: --=20 2.44.0.396.g6e790dbe36-goog From nobody Mon Feb 9 09:53:54 2026 Received: from mail-qt1-f181.google.com (mail-qt1-f181.google.com [209.85.160.181]) (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 79AF21422BB for ; Mon, 25 Mar 2024 14:50:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.181 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711378229; cv=none; b=Y4+7wruhw3r6DHbrk+y4WAhdckEAhp4hFzM/Bza9k+g+5pN2jfB0VWvtIj7Km25/l1CY+uCvV+dnJQjyqOpeHIRPauYd6J6CMJjD+Rq9LXCVXBVmgXAwfAwyUbEJR7TcXOs98lY2GWyabMlpzBXZG+4+kY+d78sQ2SdLFqPnP1I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711378229; c=relaxed/simple; bh=2dAG+Jyz81+oh8AF6DeyE+UyRu22SiDEL635nHH+73Y=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=oNO7sqdoWjpyCE3CnY3aW83X4yR3mjq6GWCdBiraoIIWldBJbyRQTiP8cn+RMrInWoplMmCP7sBc+rzexxy0V27RpzD+5rv/w/URSTQQYoVVvwvhSPSrsycIxe7XOxHndQufukQRDTwHc+spFyJd9uAmW7jMUYnVLgfmts952Uo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org; spf=pass smtp.mailfrom=chromium.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b=f90HVDVW; arc=none smtp.client-ip=209.85.160.181 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=chromium.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="f90HVDVW" Received: by mail-qt1-f181.google.com with SMTP id d75a77b69052e-430c4e67d40so30283201cf.3 for ; Mon, 25 Mar 2024 07:50:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1711378226; x=1711983026; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=n8QTboKNFlxJkYJ1An2aW3V7umhSjhO/WM5O6LoVCcU=; b=f90HVDVWIxhJ7GoJusxCrJ9iTy5AMaJgTUni/n8c/Ks0jIMz1mBBGdoUBs/ohlsoDa c+MOFkqHdK9DW+6OA4giAJZpyDSuNwBYd3cNvhoxLloVVwK/KLqIvFL0eZAxyPc2gKt0 GKCwxL4Nev4UPsS/0phJ5oUeHL7adk+sahEfg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711378226; x=1711983026; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=n8QTboKNFlxJkYJ1An2aW3V7umhSjhO/WM5O6LoVCcU=; b=apPcRUUrOWZl4XQXmiCIg3qabKHv3EQYiQSwcTKLgxTnK2GqAuZ/CIowQvFDQiaeHU H+JWRcz6ylnBZcnfTXxhGQvipaoTmZNp8yzAmpeM/JwoNUX8SjXof1YhLklseKS15517 NReHLSMHOWypK5Xo7WYz/uvUFR50ZNWmD68ukoHdc3cN/KczdMPfKXAs+8mBPW510HKb GaYTqEe+gGxNcBMo+wcx0RjxoGxV+pygSi6kzPwyPPhDR30yhO2lnh38dLSxuESgnTm+ ybaIS3wu9HkWjuPewz7gaH1lEj0jSbFALNPm9kuezsB7bwCISAHcTo+DFsB4Fj9/SnhD 1lvw== X-Forwarded-Encrypted: i=1; AJvYcCW9Ktap6+zizfNPlYZOmj50rUi34ll+4udSujHOShO1npWSoj9Z/jI9H2+/YQKLvr7GQtglJyuAKGh2EZZnBRttrQEVKjC7NjojpH5t X-Gm-Message-State: AOJu0YxsFnnWmF27J98LMLvYMsgd7nXKlMb4mtN9t8wAg14JADRSka89 ez1+ZhsV2DPgsxVMZ5FQWAKc03nwDq58CZ9uzzGDp61phHPFjSjeV2WnhDhG9A== X-Google-Smtp-Source: AGHT+IEqb/RgrM1Zmsk/Hg4wuXRP1MFf283Gr9y7uqBgTIorav1xkqxxl139xGt4TwsfJtE9o1cPMg== X-Received: by 2002:ac8:5d10:0:b0:431:38a4:ef47 with SMTP id f16-20020ac85d10000000b0043138a4ef47mr9187432qtx.48.1711378226517; Mon, 25 Mar 2024 07:50:26 -0700 (PDT) Received: from denia.c.googlers.com (188.173.86.34.bc.googleusercontent.com. [34.86.173.188]) by smtp.gmail.com with ESMTPSA id eq17-20020a05622a5e1100b004313f54aaa9sm2491449qtb.5.2024.03.25.07.50.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Mar 2024 07:50:25 -0700 (PDT) From: Ricardo Ribalda Date: Mon, 25 Mar 2024 14:50:24 +0000 Subject: [PATCH v3 2/3] media: radio-shark2: Avoid led_names truncations Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240325-gcc-arm-warnings-v3-2-81b8c10dc18a@chromium.org> References: <20240325-gcc-arm-warnings-v3-0-81b8c10dc18a@chromium.org> In-Reply-To: <20240325-gcc-arm-warnings-v3-0-81b8c10dc18a@chromium.org> To: Thierry Reding , Jonathan Hunter , Sowjanya Komatineni , Luca Ceresoli , Mauro Carvalho Chehab , Greg Kroah-Hartman , Hans Verkuil Cc: linux-media@vger.kernel.org, linux-tegra@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, Ricardo Ribalda X-Mailer: b4 0.12.4 Increase the size of led_names so it can fit any valid v4l2 device name. Fixes: drivers/media/radio/radio-shark2.c:197:17: warning: =E2=80=98%s=E2=80=99 di= rective output may be truncated writing up to 35 bytes into a region of siz= e 32 [-Wformat-truncation=3D] Signed-off-by: Ricardo Ribalda --- drivers/media/radio/radio-shark2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/radio/radio-shark2.c b/drivers/media/radio/radio= -shark2.c index f1c5c0a6a335c..e3e6aa87fe081 100644 --- a/drivers/media/radio/radio-shark2.c +++ b/drivers/media/radio/radio-shark2.c @@ -62,7 +62,7 @@ struct shark_device { #ifdef SHARK_USE_LEDS struct work_struct led_work; struct led_classdev leds[NO_LEDS]; - char led_names[NO_LEDS][32]; + char led_names[NO_LEDS][64]; atomic_t brightness[NO_LEDS]; unsigned long brightness_new; #endif --=20 2.44.0.396.g6e790dbe36-goog From nobody Mon Feb 9 09:53:54 2026 Received: from mail-qt1-f177.google.com (mail-qt1-f177.google.com [209.85.160.177]) (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 960E213248B for ; Mon, 25 Mar 2024 14:50:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.177 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711378231; cv=none; b=OeObjozxIWlcSqK0X3QZNVfOMUUlSRJTfxkDq/7ONnEmgLFtB0lrhesYCSbD1ARovLmU9eP8au2Yq3IJhD2VwSOXkTToTg5QwX+i50diIE60R9ZYEGiMLKy0SG5xz9b4qVZiaPTUWSnVDFJJyZT+JCGbulHoP6tY5i+z0XbNW1c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711378231; c=relaxed/simple; bh=GEI/ooPR1uxzhyNgwywp7m8zeQWCBAmFv9ShGuGC3WM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=prxLTj8ctkpxDkRnmpmNnCbS2LetRQpyZyM8VoDln6TySiNCVexIDcCYgjLnyRv/nS+iN17znbXmTgfsWUW/KgqtTUxC4FUKBFZ4krs5LaQzlBI2aDBfj4/DjqzcgqEUD7mw1Sqx2ebTlDnb2zZsXi1lYBOrxNeuW1N/aijs1ZE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org; spf=pass smtp.mailfrom=chromium.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b=VgUCYr2k; arc=none smtp.client-ip=209.85.160.177 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=chromium.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="VgUCYr2k" Received: by mail-qt1-f177.google.com with SMTP id d75a77b69052e-430a25ed4e7so30128361cf.0 for ; Mon, 25 Mar 2024 07:50:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1711378227; x=1711983027; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=MqD8wzexo6xit6zjT25NUCdriPsphWfFfa0tlNyYYks=; b=VgUCYr2ktZ2ZnLPpj1w6jKHNBU0Smcz4R5UlwEf+LObLXyS5zOAiLplPSImgdBgil5 vJw/JdVdSHt5OunlKR0Jqif4eYLGBwwAhzFekUuDVUvJ9hU3dYZ/BckA1dP3Gq/GmrAQ Sl0lHzJD+E1mVY074tE9f6UI/73pFdCgkxefk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711378227; x=1711983027; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=MqD8wzexo6xit6zjT25NUCdriPsphWfFfa0tlNyYYks=; b=t3JWYrEJT7NinAw7whi/Wa3YgwxMIIJepmPf6Tc0+BC75juMq4pPkAUKVATXS//Seg 7rNt8ohMTVWmVklx21gyTrF/AzM7q4/lPUel+pC7WsuOjVu1OmjjoyoxHyRfP8F2MneF LBsewDuMr6Fc7NZmOPIwr/WsLbaG3nw/iV2QajLU3rumTUIfnzKQENlzGawlNWtv/jse vZo97XspKjw5XlzWHK2yjKB0j5K5Yrv3OMyu78jAaYwawmvwPUuhB9gv6fA5v+y7NDJT fbeO8PXDj8zmIE+I7ZDBS9tmnmlQPcBIqnWFxijNqqjuG40gLWTrew6Vz3rHD9Ip+Rl8 Hw/w== X-Forwarded-Encrypted: i=1; AJvYcCUdbvf5pW/YaoLdmaechN658GSFWPDxCKf+lUNzI1B6kj+wcJ3fGR1hpohSNuLqcBlscSqbLiwy9TvcvcJvOATsYoPURcNgC9kq10/c X-Gm-Message-State: AOJu0YxYlBD5gXc7rCevHLQnz7ikKXaJoh9NOd1zLZW0jTpF+Iy9qlW8 VasaavOFmJRpfC6wKu5uyPUQCtG+U1LG1yICKYkgv4TPetShMCG+osv/NtjOUQ== X-Google-Smtp-Source: AGHT+IE6yzbqY9Tnz0mf6K9GR4TUk/vQYebvk9s+XGtSDcB03p3513ghSfX16LycTxIPRRyfSLKj6Q== X-Received: by 2002:a05:622a:15cb:b0:431:47f2:df8e with SMTP id d11-20020a05622a15cb00b0043147f2df8emr7329210qty.2.1711378227626; Mon, 25 Mar 2024 07:50:27 -0700 (PDT) Received: from denia.c.googlers.com (188.173.86.34.bc.googleusercontent.com. [34.86.173.188]) by smtp.gmail.com with ESMTPSA id eq17-20020a05622a5e1100b004313f54aaa9sm2491449qtb.5.2024.03.25.07.50.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Mar 2024 07:50:26 -0700 (PDT) From: Ricardo Ribalda Date: Mon, 25 Mar 2024 14:50:25 +0000 Subject: [PATCH v3 3/3] media: dvbdev: Initialize sbuf Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240325-gcc-arm-warnings-v3-3-81b8c10dc18a@chromium.org> References: <20240325-gcc-arm-warnings-v3-0-81b8c10dc18a@chromium.org> In-Reply-To: <20240325-gcc-arm-warnings-v3-0-81b8c10dc18a@chromium.org> To: Thierry Reding , Jonathan Hunter , Sowjanya Komatineni , Luca Ceresoli , Mauro Carvalho Chehab , Greg Kroah-Hartman , Hans Verkuil Cc: linux-media@vger.kernel.org, linux-tegra@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, Ricardo Ribalda X-Mailer: b4 0.12.4 Because the size passed to copy_from_user() cannot be known beforehand, it needs to be checked during runtime with check_object_size. That makes gcc believe that the content of sbuf can be used before init. Fix: ./include/linux/thread_info.h:215:17: warning: =E2=80=98sbuf=E2=80=99 may b= e used uninitialized [-Wmaybe-uninitialized] Signed-off-by: Ricardo Ribalda --- drivers/media/dvb-core/dvbdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbde= v.c index 733d0bc4b4cc3..b43695bc51e75 100644 --- a/drivers/media/dvb-core/dvbdev.c +++ b/drivers/media/dvb-core/dvbdev.c @@ -956,7 +956,7 @@ int dvb_usercopy(struct file *file, int (*func)(struct file *file, unsigned int cmd, void *arg)) { - char sbuf[128]; + char sbuf[128] =3D {}; void *mbuf =3D NULL; void *parg =3D NULL; int err =3D -EINVAL; --=20 2.44.0.396.g6e790dbe36-goog