From patchwork Tue Feb 18 23:17:44 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: David Lechner X-Patchwork-Id: 13981054 Received: from mail-ot1-f47.google.com (mail-ot1-f47.google.com [209.85.210.47]) (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 354BA1CF5E2 for ; Tue, 18 Feb 2025 23:17:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.47 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739920675; cv=none; b=nM+wjUQ1rwEdXCXFruMiQr66YwghG6XUvGLIPT2G7Xxv64+205dMYAIU+8Jf33mEuGiUbK/R48AkDc7G6rMX1HtHUAJ4+ZVsG3Jh7ExAVh0rNzgbCENrJsduUWnJboBR1UXOA/78HErZpjr7LPb+lTAUTq20eiwapDJl13rlVxM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739920675; c=relaxed/simple; bh=YtP9jMp1zsEuMGXw+pRfgayF/lnTYJWTTdsWP3y71BU=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=UO6oH0cww1xW506xj9IavyMnOixWA6FjajYjVf1mjrdp6DQvWk9FitdoYLH7eHWXopXLVh49kIuToyVUSvyQnoNhnMk+XtKt+m9dNSZKBG3dflppf1auO3Qx/fRg8TIMVrJGnM9HIqNNlZM2WV9rbFCEA5ao/QxPNN5Q28U2i7s= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com; spf=pass smtp.mailfrom=baylibre.com; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b=c+vgxgop; arc=none smtp.client-ip=209.85.210.47 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=baylibre.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b="c+vgxgop" Received: by mail-ot1-f47.google.com with SMTP id 46e09a7af769-727250dbf60so180074a34.0 for ; Tue, 18 Feb 2025 15:17:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20230601.gappssmtp.com; s=20230601; t=1739920672; x=1740525472; darn=vger.kernel.org; h=cc:to:content-transfer-encoding:mime-version:message-id:date :subject:from:from:to:cc:subject:date:message-id:reply-to; bh=K1kVy79PjjwS9vT6eqX/jn2fuQOg4ncGF32yCLYKYdc=; b=c+vgxgopCtJw1KDe23QVBN3XYKS+rIVz7XSU4XDgZt/qJpTeGYWdnKmHJbF0YiNSV9 XaYRGHvrfvj107DsldUEmTME0vK95PJWOl6XP2E2+W4+zG+WQcyH7x8q83Gcuo02Qckw 2PCuvQTgFq90HJIp3m+H2mN4NWqsQokk18CcvVuFiGBSRb5rRtn8FgPKX+9OwMqEwR4J b8GbOKmZtjrtYaeFWbjLljwa4L0S94tH66vTZySzeTe0+j61b9KSJQROzbP4NhJFnB8L P6Kau9UYc+dWOo7EDKniSqATiBVmsEcEOk+sOl8UaBVnsnZ/WoNcGYRXRv3SCSAKLfmE MnFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739920672; x=1740525472; h=cc:to:content-transfer-encoding:mime-version:message-id:date :subject:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=K1kVy79PjjwS9vT6eqX/jn2fuQOg4ncGF32yCLYKYdc=; b=hWLOlg5etHwxPrJft1DJl5/cvzqF/BPCiUP84s/l8UyD+CgItVXlTD+rEhFZiQ2Mgv dSeb+SMqe1QhCYD4QStn5H0JpsTeSMDuYnL4oK+50c+4pEokXCfgrgSimh6e2Ao4qCmu MM/Co1JcMi3BIgcOmOldvDdSuKrJOTSmc2rtknqk/wvOVbU+tzpd8f8HJgpOfCmKuo8W aNguSgZaoAb0GbpeOQF3SkkM8rzedNyDelYgABkdwPMjKIm3IamJJSBnp00d93NlO2JA 1N1WOOnzfBH4RNQAwsVf52UvgHEOHazHshgffBKlI+c5mF6DTrAnRjGqVmXO/NnfU+kh 9IRw== X-Forwarded-Encrypted: i=1; AJvYcCVjqDgbClkAEuNEnmzGuosuT6omRQudFtqfIR2tdycaQfUq296ResqR8x7NECDuFEZstpVEGHBqvgw=@vger.kernel.org X-Gm-Message-State: AOJu0YzVGzW2VKSEim3okCaPE8EdgNU/4QHOuGaQ06XMFxPD3elSN81H BextFgNhRwyUwk3+KxIPYNFDOP7h64BUzTJkg3ljt+NFIqiqthdH07DW/ukJMbAohPM7yLB1+qf R X-Gm-Gg: ASbGncuR0UJlOtRXEYhMldvlr7Cx89ua4/SwXI7ti3cRJeG/ocEXA049O1r4i2sj9US JBjREAILq8ZiVNm6j4wRBsOnHxWkyc9EyBj0YljToVDHwmXCP0lndUYpq0/nJJ3jhNE1+qU0X6p vKzjhKKZhXqnWDFZiJJYaeWzpjwxJkG2A6yNuc8tNmQrDkzhbQUOJxmb12h1S5gy0D2UgLBCPNf HqPYMLAUpOkgTC79oiphzIJ7xjMZdmWj873Ync8Fpo8MEbbqntO5+YfuU/SEtM9NnBHxipF89hH lVATIqDJCMADJGyns6AMqVrln0pAfz6MjzSsnrf8rFZ9/KI= X-Google-Smtp-Source: AGHT+IF2i0XRfyPdA91wJLKRW1188YEW171fIRsR6f4XJDZE0cMHbi74c3siOXWTxamWwIe6ApxsEg== X-Received: by 2002:a9d:7482:0:b0:727:2731:d5e5 with SMTP id 46e09a7af769-7273711f98bmr1287196a34.12.1739920672122; Tue, 18 Feb 2025 15:17:52 -0800 (PST) Received: from [127.0.1.1] (ip98-183-112-25.ok.ok.cox.net. [98.183.112.25]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-7271f7c5ba8sm1803129a34.32.2025.02.18.15.17.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Feb 2025 15:17:51 -0800 (PST) From: David Lechner Subject: [PATCH 0/2] iio: adc: ad4695: fix out of bounds array access Date: Tue, 18 Feb 2025 17:17:44 -0600 Message-Id: <20250218-iio-adc-ad4695-fix-out-of-bounds-array-access-v1-0-57fef8c7a3fd@baylibre.com> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIABgVtWcC/x2NSw7CMAwFr1J5jaUmtOVzFdRF4jjgTYLiFhVVv TsWi1nMYt7bQbkJK9y7HRp/RKUWE3fqgF6hPBklmYPv/dh7d0WRiiGRMUy3EbNsWNcFa8ZY15I UQ2vhi4GIVfGS3cSRzpHdALb5bmzF/+8xH8cPtGI/WH8AAAA= X-Change-ID: 20250218-iio-adc-ad4695-fix-out-of-bounds-array-access-7f16ebc3be14 To: Michael Hennerich , =?utf-8?q?Nuno_S=C3=A1?= , Lars-Peter Clausen , Jonathan Cameron , Trevor Gamblin Cc: Jonathan Cameron , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, David Lechner X-Mailer: b4 0.14.2 I was doing some more testing and found a bug with the in_temp_sampling_frequency attribute being corrupted. This is a patch to fix that, plus a bonus patch that cleans up some related code (it wasn't strictly part of the fix, hence the separate patch). Signed-off-by: David Lechner Reviewed-by: Trevor Gamblin Reviewed-by: Nuno Sá --- David Lechner (2): iio: adc: ad4695: fix out of bounds array access iio: adc: ad4695: simplify getting oversampling_ratio drivers/iio/adc/ad4695.c | 26 ++++++++++++++++++++------ 1 file changed, 20 insertions(+), 6 deletions(-) --- base-commit: ac856912f210bcff6a1cf8cf9cb2f6a1dfe85798 change-id: 20250218-iio-adc-ad4695-fix-out-of-bounds-array-access-7f16ebc3be14 Best regards,