From nobody Wed Feb 11 06:54:10 2026 Received: from sender4-pp-o96.zoho.com (sender4-pp-o96.zoho.com [136.143.188.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EE3EF33FE16 for ; Sun, 8 Feb 2026 22:13:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.96 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770588829; cv=pass; b=bneoR5eGbMp5G7RRpF+tsd/MAFC2HJIj4bw41lOjyAh/8Rp/FRk9Za4p77OK0uRzfhx+0pfkJfcpTZVCHRR0Hcq4+tag/ybC1uYvgSlH2+6uuQ63yGEf+5qP9zWyqvbehJsXcOikd131oP5VZzB3DkIDPKfyfPVdRsmc4qrPtsM= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770588829; c=relaxed/simple; bh=OXy7lnYJt63G+ZK+icMojUp3uuSlcM1aQhtn1b1h7dk=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=vAig6AxlFloh7P0W/67TZoLUkLAlkv2GGtCG4Hfsjl1hRiyUsPFTpCmDeTVCv8HMn4AhxU6ZjjMno5YBsx1T2t2L4AIZLygtNP3WjSV6IJCJJJuB3j/pDpF1kQait2AMlBEOzwuGAU5euwnbviMjVAsqmgyBDjqXPJX7ugEGAwo= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=zohomail.com; spf=pass smtp.mailfrom=zohomail.com; dkim=pass (1024-bit key) header.d=zohomail.com header.i=trunixcodes@zohomail.com header.b=bTsFz7D5; arc=pass smtp.client-ip=136.143.188.96 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=zohomail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=zohomail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=zohomail.com header.i=trunixcodes@zohomail.com header.b="bTsFz7D5" ARC-Seal: i=1; a=rsa-sha256; t=1770588823; cv=none; d=zohomail.com; s=zohoarc; b=DVOinsv+W0jp6KwVS/uj87rP9WyZDGoXO61l2tj6IEM4T8An7xFVM/80TwaFVQHEjSxD8ny+pCwXcFDUqsLZOa8XL1SkSiaoLzgUr/+MyjG1xhzzn564HSTCLnk1bs5p9n5Qo3ANBN+HfV/k6alpvJ/tkM4ssX5I8T6DBC9huYI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1770588823; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:MIME-Version:Message-ID:Subject:Subject:To:To:Message-Id:Reply-To; bh=qkw6smFiL3tLFnqxUpXubvr+qADDrbNaIiZlnqQm1lw=; b=f4vryaKWxxVpVSlvng9a5La6KjVQ1tPw+EYaciYvRs3LFJSiWhjHQPzCmMXWrZJNzxJ0vrgvpHuRi0EtzdrtJKdIFENOVVAbzp8z2XlGO9e5FLzOmPML7Mvmlh5euymVDuAE9sHeAsPz4BNuyqMtapNWSN2H9MZbaVf8tolwYhQ= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=zohomail.com; spf=pass smtp.mailfrom=trunixcodes@zohomail.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1770588823; s=zm2022; d=zohomail.com; i=trunixcodes@zohomail.com; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:MIME-Version:Content-Transfer-Encoding:Feedback-ID:Message-Id:Reply-To; bh=qkw6smFiL3tLFnqxUpXubvr+qADDrbNaIiZlnqQm1lw=; b=bTsFz7D50wUt59dh9KKelGan+uvUJruZ9k+/83jx97bsGAhaA2d6yA9SxvZPc8BJ SZY36O5C5xSTynhnqz8uzZzPlXWAt7ybVNrj/Nst/ibqcvVbVrosFVMW+6Skjjikaw5 fUxGo8jOBT4VeXkiveZM256fsPUWTArhvop5aYDw= Received: by mx.zohomail.com with SMTPS id 1770588820836158.80036972926212; Sun, 8 Feb 2026 14:13:40 -0800 (PST) From: trunix-creator To: bleung@chromium.org Cc: tzungbi@kernel.org, groeck@chromium.org, chrome-platform@lists.linux.dev, linux-kernel@vger.kernel.org, trunix-creator Subject: [PATCH] platform/chrome: cros_ec_lightbar: replace sscanf with kstrtouint Date: Sun, 8 Feb 2026 14:13:35 -0800 Message-ID: <20260208221335.16030-1-trunixcodes@zohomail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Feedback-ID: rr080112277d5898797d730888bf7f16710000e1a6b117e85d94eecb74313e867d779b2a009fa44c2b29a94a:zu08011227677e5f8c16724e1a89d4bff60000c253ff8e007642ab9af7bc8df77c17f437eb69c3236797e48a:rf0801122642d91f23c3610ceb7796bcfd0000820c4123c4948508a83a70d8cb109c0b24490387b0e3d329:ZohoMail X-ZohoMailClient: External Content-Type: text/plain; charset="utf-8" Replace the use of sscanf() with kstrtouint(), which is the favored kernel API for parsing integers from strings. This avoids format string parsing overhead and improves robustness. Signed-off-by: trunix-creator --- drivers/platform/chrome/cros_ec_lightbar.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/platform/chrome/cros_ec_lightbar.c b/drivers/platform/= chrome/cros_ec_lightbar.c index 922758c2cec1..e455ff440b11 100644 --- a/drivers/platform/chrome/cros_ec_lightbar.c +++ b/drivers/platform/chrome/cros_ec_lightbar.c @@ -243,10 +243,10 @@ static ssize_t led_rgb_store(struct device *dev, stru= ct device_attribute *attr, if (!*buf) break; =20 - ret =3D sscanf(buf, "%i", &val[i++]); + ret =3D kstrtouint(buf, 0, &val[i]); if (ret =3D=3D 0) goto exit; - + i++; if (i =3D=3D 4) { param =3D (struct ec_params_lightbar *)msg->data; param->cmd =3D LIGHTBAR_CMD_SET_RGB; --=20 2.43.0