From patchwork Mon Dec 23 14:41:24 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ethan Carter Edwards X-Patchwork-Id: 853362 Received: from mail-10625.protonmail.ch (mail-10625.protonmail.ch [79.135.106.25]) (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 DC7AD14A8B for ; Mon, 23 Dec 2024 14:41:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=79.135.106.25 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734964900; cv=none; b=ErpekYNfs4TwMAjIR0t0N5TRdPo617uuGMNmTyf+fQx/vYvVCYUip6y7lYhXWU3rO4Aetj2EjFdtPGgZg8OXSPL2OpAHLJJRFghXkmUuP1GVczPIx6ekH+2chPZwq+r4k+MVlFXZcFszWTxWUBsw1PfU+Z4trDLnRW/qJPVI82M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734964900; c=relaxed/simple; bh=s3RGCpKkz5tqorVt2UoQ7VDvDIM9QHefPfvU+C1n65A=; h=Date:To:From:Cc:Subject:Message-ID:MIME-Version:Content-Type; b=FxuWk3870ij4x6Vzj9E0EA7GirvbXGkTvhLYw4+8/04sH16nhyPCuwhSlo22t6n9LXx2olboI2NElW3IqENxrd/cqFAcRTH1Y6o5ESHpU13FB4eewnDnxw9mRcoamkbjX4jb/mB2ajVnkvWfLUr+5lJo4P0UMUo52FZ41qzPg88= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ethancedwards.com; spf=pass smtp.mailfrom=ethancedwards.com; dkim=pass (2048-bit key) header.d=ethancedwards.com header.i=@ethancedwards.com header.b=Nm7WZUN5; arc=none smtp.client-ip=79.135.106.25 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ethancedwards.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ethancedwards.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ethancedwards.com header.i=@ethancedwards.com header.b="Nm7WZUN5" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ethancedwards.com; s=protonmail3; t=1734964889; x=1735224089; bh=MS7nF1XKmYMD9B6JpjyW2l1dOmA8eIOqm1xmuEVC4pA=; h=Date:To:From:Cc:Subject:Message-ID:Feedback-ID:From:To:Cc:Date: Subject:Reply-To:Feedback-ID:Message-ID:BIMI-Selector: List-Unsubscribe:List-Unsubscribe-Post; b=Nm7WZUN5lXXF5mCVJwwYvBmgo1tIoW5L7/qUJwIynXc9t0Kz+zwcD2h96K/KAxlsn BWfPF0Bv0Q9Kn7seK3e0E6gfAFLM8qe2QsECctMna7m1abt8IzzLcJGLbkDqs2wIkq PfCSEQoU1EILk5qybQq5mQx/aEnS3qKWgvgmgfIhqMaKosWnj92kw5eDYDqRJ4bAuy dOfViylvM+dd9tUODMlhoguc8h1klAqz5gg7Ewmo2XkKXn9v358dhcT4ZNU8lhKhue tOQAKhBGa+3GNt0tLzDuMTOG1dG/skFZgQ6Cz4BQqep6KLDMUVJm1rxlzpM9gjX/x0 tf4zl6y7IfPlg== Date: Mon, 23 Dec 2024 14:41:24 +0000 To: "rafael@kernel.org" From: Ethan Carter Edwards Cc: "viresh.kumar@linaro.org" , "linux-pm@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: [PATCH] cpufreq: sparc: change kzalloc to kcalloc Message-ID: Feedback-ID: 28410670:user:proton X-Pm-Message-ID: ab6fa1139b90b391bd7186aee2769a070ad2b9e7 Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Refactor to use kcalloc instead of kzalloc when multiplying allocation size by count. This refactor prevents unintentional memory overflows. Discovered by checkpatch.pl. Signed-off-by: Ethan Carter Edwards --- drivers/cpufreq/sparc-us2e-cpufreq.c | 2 +- drivers/cpufreq/sparc-us3-cpufreq.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/cpufreq/sparc-us2e-cpufreq.c b/drivers/cpufreq/sparc-us2e-cpufreq.c index 8a0cd5312a59..15899dd77c08 100644 --- a/drivers/cpufreq/sparc-us2e-cpufreq.c +++ b/drivers/cpufreq/sparc-us2e-cpufreq.c @@ -323,7 +323,7 @@ static int __init us2e_freq_init(void) impl = ((ver >> 32) & 0xffff); if (manuf == 0x17 && impl == 0x13) { - us2e_freq_table = kzalloc(NR_CPUS * sizeof(*us2e_freq_table), + us2e_freq_table = kcalloc(NR_CPUS, sizeof(*us2e_freq_table), GFP_KERNEL); if (!us2e_freq_table) return -ENOMEM; diff --git a/drivers/cpufreq/sparc-us3-cpufreq.c b/drivers/cpufreq/sparc-us3-cpufreq.c index b50f9d13e6d2..de50a2f3b124 100644 --- a/drivers/cpufreq/sparc-us3-cpufreq.c +++ b/drivers/cpufreq/sparc-us3-cpufreq.c @@ -171,7 +171,7 @@ static int __init us3_freq_init(void) impl == CHEETAH_PLUS_IMPL || impl == JAGUAR_IMPL || impl == PANTHER_IMPL)) { - us3_freq_table = kzalloc(NR_CPUS * sizeof(*us3_freq_table), + us3_freq_table = kcalloc(NR_CPUS, sizeof(*us3_freq_table), GFP_KERNEL); if (!us3_freq_table) return -ENOMEM;