Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1647695

[PATCH] thermal: cpu_cooling: Replace kmalloc with kmalloc_array

From Viresh Kumar <viresh.kumar@linaro.org>
Newsgroups linux.kernel
Subject [PATCH] thermal: cpu_cooling: Replace kmalloc with kmalloc_array
Date 2017-05-23 09:10 +0200
Message-ID <tKc78-8iP-9@gated-at.bofh.it> (permalink)
References <tKbE5-7Qs-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


Checkpatch reports following:

WARNING: Prefer kmalloc_array over kmalloc with multiply
+	cpufreq_cdev->freq_table = kmalloc(sizeof(*cpufreq_cdev->freq_table) * i,

Fix that.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
---
 drivers/thermal/cpu_cooling.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c
index 1305020790b2..908a8014cf76 100644
--- a/drivers/thermal/cpu_cooling.c
+++ b/drivers/thermal/cpu_cooling.c
@@ -724,8 +724,9 @@ __cpufreq_cooling_register(struct device_node *np,
 	/* max_level is an index, not a counter */
 	cpufreq_cdev->max_level = i - 1;
 
-	cpufreq_cdev->freq_table = kmalloc(sizeof(*cpufreq_cdev->freq_table) * i,
-					  GFP_KERNEL);
+	cpufreq_cdev->freq_table = kmalloc_array(i,
+					sizeof(*cpufreq_cdev->freq_table),
+					GFP_KERNEL);
 	if (!cpufreq_cdev->freq_table) {
 		cdev = ERR_PTR(-ENOMEM);
 		goto free_idle_time;
-- 
2.13.0.70.g6367777092d9

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

Re: [PATCH V4 03/17] thermal: cpu_cooling: Name cpufreq cooling  devices as cpufreq_cdev Zhang Rui <rui.zhang@intel.com> - 2017-05-23 08:40 +0200
  [PATCH] thermal: cpu_cooling: Replace kmalloc with kmalloc_array Viresh Kumar <viresh.kumar@linaro.org> - 2017-05-23 09:10 +0200
    Re: [PATCH] thermal: cpu_cooling: Replace kmalloc with kmalloc_array Eduardo Valentin <edubezval@gmail.com> - 2017-05-24 04:30 +0200
      Re: [PATCH] thermal: cpu_cooling: Replace kmalloc with kmalloc_array Viresh Kumar <viresh.kumar@linaro.org> - 2017-05-24 06:00 +0200
  Re: [PATCH V4 03/17] thermal: cpu_cooling: Name cpufreq cooling  devices as cpufreq_cdev Viresh Kumar <viresh.kumar@linaro.org> - 2017-05-23 09:10 +0200

csiph-web