CPUFREQ: Loongson1: Replace kzalloc() with kcalloc()

This patch replaces kzalloc() with kcalloc() when allocating
frequency table, and remove unnecessary 'out of memory' message.

Signed-off-by: Kelvin Cheung <keguang.zhang@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: linux-pm@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13053/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/drivers/cpufreq/loongson1-cpufreq.c b/drivers/cpufreq/loongson1-cpufreq.c
index 57fae9b..4c3087f 100644 (file)
--- 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;
 }