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[34.86.173.188]) by smtp.gmail.com with ESMTPSA id 6-20020a0562140d4600b0068f75622543sm1998523qvr.1.2024.03.23.03.41.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 23 Mar 2024 03:41:48 -0700 (PDT) From: Ricardo Ribalda Date: Sat, 23 Mar 2024 10:41:45 +0000 Subject: [PATCH 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: <20240323-gcc-arm-warnings-v1-1-0b45cc52f39e@chromium.org> References: <20240323-gcc-arm-warnings-v1-0-0b45cc52f39e@chromium.org> In-Reply-To: <20240323-gcc-arm-warnings-v1-0-0b45cc52f39e@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 --- 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..c39b52d0e4447 100644 --- a/drivers/staging/media/tegra-video/tegra20.c +++ b/drivers/staging/media/tegra-video/tegra20.c @@ -176,6 +176,7 @@ static void tegra20_vi_get_input_formats(struct tegra_v= i_channel *chan, (*yuv_input_format) =3D VI_INPUT_YUV_INPUT_FORMAT_YUYV; break; case MEDIA_BUS_FMT_YVYU8_2X8: + default: (*yuv_input_format) =3D VI_INPUT_YUV_INPUT_FORMAT_YVYU; break; } --=20 2.44.0.396.g6e790dbe36-goog From nobody Mon Feb 9 03:51:22 2026 Received: from mail-qv1-f49.google.com (mail-qv1-f49.google.com [209.85.219.49]) (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 C359714A8C for ; Sat, 23 Mar 2024 10:41:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.49 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711190514; cv=none; b=k2bOyxYhUc6acZ8/NpHQ0bwkoRdxFh3p/r5A6nowo6rlSu1A8BRlpJWky1aI67uDa3xicYlDxPEPcJo8RlZps2lAVE3YZTiX2JJYtwlxGiLhFETTASFdoE0dqN1EPu6HniuWhpk3AgRUjNSk7sPC5SYK3PzGuWCNKQuJtCuUZiY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711190514; 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=nDq27nlDv3/WkM6TpDnM5vdknWeuXE6z9hNQINTZNnkyU2eYENVcIv6mRXexlmtunMqkcQyHzxqch5JNLOK79cNiR3XGWjWR+c1R5roTWvYhEynYUJedp+jgpvo/L5u59s3GbHXusbbIjmlLtwgVsApzALypp7Xmb4dwgixym8I= 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=OYOPYYbk; arc=none smtp.client-ip=209.85.219.49 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="OYOPYYbk" Received: by mail-qv1-f49.google.com with SMTP id 6a1803df08f44-69185f093f5so22341576d6.3 for ; Sat, 23 Mar 2024 03:41:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1711190511; x=1711795311; 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=OYOPYYbkeqSi2WK/juteGiXBuhKsWZjsJQeMrLF4tfeainuFP5ToghClEJRiTdi7dy rLZfwgvQt3hvIQbDggswBT7PsLW+G9gC9i5lsraM75IksXfarmyvWE49wwwIVjKru/qZ v7zRYq7neJF2QRiPZjrae+fR6ti4CZchjKOFQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711190511; x=1711795311; 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=hrR3k2mTk5YV2YkOxaoNoreftx4C2V0+Vi0CmYdkv//uBaQJ0lGbT0o8Hw0Ir3MWEg 5KrmlSWW+7Xd69zlHWMPYwWGo8ENBcGW6Psy+s17hNRSh/+pTlz1ZQWD2P1RgU553ljA zuOxWFbg1JgKm4XqvPm4eWcQspzuRCxzMykVjatnnTmMNOJ13qKPIr/PGRGG5mUiuf0O LzuCC9U+6dCGVVoxWOeFqAtkZJjufHgy7Ii8AM/XrQ5NPInwIXfAlg318ZZmUZ0C9Yil 4UMeFmvlCF5Nom5dJbdQu0SrJstf2UNKy4s3I/cyPEmYnECIf2EY/x7LFkbbrEOfpYHI WjUg== X-Forwarded-Encrypted: i=1; AJvYcCVxxlAI2NmbmG0OFpWbEANZAUw7oqVccDG2/8/kVNVmGj7waPJIq/QlZtNpqz3+uCu0l3nWDWjbwFBG3enzDzINtZiKHnZglx3aqoIw X-Gm-Message-State: AOJu0YysrUhCfau8omngzdye9s6l5Yv0uTvpIPNQaWYlIY2JLLeAg4bm toN9B455XAUQ+1IWoRn+K/ibiMCMMRN3FvWGszmNlCZlwRU2SQARB89PG63nMA== X-Google-Smtp-Source: AGHT+IGOP9NmNvjkaFj2nG43rNY03FVvY8JGudvMrkdWl0W6OiPHpehuLaE5+7bEg8g8j7jyhHLwOQ== X-Received: by 2002:a05:6214:4009:b0:691:5ff2:6083 with SMTP id kd9-20020a056214400900b006915ff26083mr2009085qvb.36.1711190510703; Sat, 23 Mar 2024 03:41:50 -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 6-20020a0562140d4600b0068f75622543sm1998523qvr.1.2024.03.23.03.41.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 23 Mar 2024 03:41:49 -0700 (PDT) From: Ricardo Ribalda Date: Sat, 23 Mar 2024 10:41:46 +0000 Subject: [PATCH 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: <20240323-gcc-arm-warnings-v1-2-0b45cc52f39e@chromium.org> References: <20240323-gcc-arm-warnings-v1-0-0b45cc52f39e@chromium.org> In-Reply-To: <20240323-gcc-arm-warnings-v1-0-0b45cc52f39e@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 03:51:22 2026 Received: from mail-qv1-f50.google.com (mail-qv1-f50.google.com [209.85.219.50]) (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 B399D17585 for ; Sat, 23 Mar 2024 10:41:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.50 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711190514; cv=none; b=riYfS3bVmp9U330PtKxB7iDhzcJhKZuYq6i2Usfg9CWuy5qC8qh2Ol1sMpKhSNdbCd/igA35wl+kSnUboW8amjVrJaRtDdK6Qi538VJ2emd7zoYhcpl+644nMBzHmyaL2MasN3wBjLT3q/v6GAfclYuLRUCcUsbS+usne2xGXnc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711190514; c=relaxed/simple; bh=GEI/ooPR1uxzhyNgwywp7m8zeQWCBAmFv9ShGuGC3WM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=T8cN4zKpPiqkvgEz0tTyZjkwh06Dls1UdyI6DhkT1jH7XSNNDpRgxVAeR/gUK0sbrCrscmE1UP4NcFiDkvxi94f0L8+n7GJ3udhYQAuAy9injgGmLjJwDi2WFkz3nqWVYdVkgU9yV4F5dO+L45VELDhK5hioIF7vxyuj6tTyka4= 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=Tv2f5+uB; arc=none smtp.client-ip=209.85.219.50 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="Tv2f5+uB" Received: by mail-qv1-f50.google.com with SMTP id 6a1803df08f44-69107859bedso20060986d6.2 for ; Sat, 23 Mar 2024 03:41:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1711190512; x=1711795312; 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=Tv2f5+uBv93MVvRfoVm2O8kRG3mojEdZIlp7HnN6hdomSBgI5qeTE6TyG4kC/jfqBU 2Sw7By4TEqxXtjDSv1l3JagA9pvPfZw2BZkEyT1AqkwPtYojstR/N63qiDXbCm7SsPSr SD3r57QbWIjksbhZEnhEW4sL3nziVVZ41ZPVk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711190512; x=1711795312; 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=bZEIdUb+g8AWn6n0U3FjHW0OZv+im6ALwxYEKFi+e+j4L/D4QwWQAVAfwYv1u2sr22 ZnTW8T4nVkFsgABBNY2Kwkv320lf8myptTwMmzrjQgJKXeDqwXViFVfuZaBw9CQDT7Gr xdlEhbb/fOsMdGm07Ajdn9q8Zbgn2CRUF7quNrLefDVBHSWxK7CkcrW9C5gKjgV9KQqk k3c6qiFa+y5zjFdJZKpUjvQOmpyjgJ4vQM/VvN57xw5HayF61a9WHa3xPYOf+c+SMuCc jZYb9PZMcq2SvN9G3yhrYiXtRlox+9jj3w/AyBtzEugi7kSkRB6SXuf3ARe5JaNqFLeC qz6g== X-Forwarded-Encrypted: i=1; AJvYcCUyUML4FOrNdh45DS+e+x/lMhV5XGjmM6XaKXIB0KAdNY+kaOzNoHiWfOSxoITGC8oeoPVW3ndVwgH5pmSeBnqEB9srV3XqiQ3IIqjv X-Gm-Message-State: AOJu0YxsVSUf+KdAhwoL/8YJMHeE1YVC6qDm19x3CaGWDTEW7lZ6iyjE HcV8IzFp6qJlYnul4gP4r8GILr9A317MF+UXoqBsGRmJD4tcqiRZDwGHGUaQvQ== X-Google-Smtp-Source: AGHT+IFqiP6PxKrx0iNYkypU5fRxQ2Tg1JQsARpN7FhxoFv5VhxvCeHLgOCqbXVBG5RX/NkfTi463g== X-Received: by 2002:a05:6214:2249:b0:690:c093:d833 with SMTP id c9-20020a056214224900b00690c093d833mr2314782qvc.0.1711190511851; Sat, 23 Mar 2024 03:41:51 -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 6-20020a0562140d4600b0068f75622543sm1998523qvr.1.2024.03.23.03.41.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 23 Mar 2024 03:41:51 -0700 (PDT) From: Ricardo Ribalda Date: Sat, 23 Mar 2024 10:41:47 +0000 Subject: [PATCH 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: <20240323-gcc-arm-warnings-v1-3-0b45cc52f39e@chromium.org> References: <20240323-gcc-arm-warnings-v1-0-0b45cc52f39e@chromium.org> In-Reply-To: <20240323-gcc-arm-warnings-v1-0-0b45cc52f39e@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