From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keguang Zhang Subject: [PATCH V1 2/5] cpufreq: Loongson1: Replace kzalloc() with kcalloc() Date: Tue, 12 Apr 2016 18:40:16 +0800 Message-ID: <1460457619-14786-2-git-send-email-keguang.zhang@gmail.com> References: <1460457619-14786-1-git-send-email-keguang.zhang@gmail.com> Return-path: In-Reply-To: <1460457619-14786-1-git-send-email-keguang.zhang@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-pm@vger.kernel.org, linux-mips@linux-mips.org, linux-kernel@vger.kernel.org Cc: "Rafael J. Wysocki" , Viresh Kumar , Kelvin Cheung List-Id: linux-pm@vger.kernel.org From: Kelvin Cheung This patch replaces kzalloc() with kcalloc() when allocating frequency table, and remove unnecessary 'out of memory' message. Signed-off-by: Kelvin Cheung --- drivers/cpufreq/loongson1-cpufreq.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/drivers/cpufreq/loongson1-cpufreq.c b/drivers/cpufreq/loongson1-cpufreq.c index 57fae9b..4c3087f 100644 --- a/drivers/cpufreq/loongson1-cpufreq.c +++ b/drivers/cpufreq/loongson1-cpufreq.c @@ -81,13 +81,9 @@ static int ls1x_cpufreq_init(struct cpufreq_policy *policy) pll_freq = clk_get_rate(ls1x_cpufreq.pll_clk) / 1000; steps = 1 << DIV_CPU_WIDTH; - freq_tbl = kzalloc(sizeof(*freq_tbl) * steps, GFP_KERNEL); - if (!freq_tbl) { - dev_err(ls1x_cpufreq.dev, - "failed to alloc cpufreq_frequency_table\n"); - ret = -ENOMEM; - goto out; - } + freq_tbl = kcalloc(steps, sizeof(*freq_tbl), GFP_KERNEL); + if (!freq_tbl) + return -ENOMEM; for (i = 0; i < (steps - 1); i++) { freq = pll_freq / (i + 1); @@ -106,7 +102,7 @@ static int ls1x_cpufreq_init(struct cpufreq_policy *policy) ret = cpufreq_generic_init(policy, freq_tbl, 0); if (ret) kfree(freq_tbl); -out: + return ret; } -- 1.9.1