Messages in this thread Patch in this message | | | From | SF Markus Elfring <> | Subject | [PATCH] thermal: cpu_cooling: Use kmalloc_array() in __cpufreq_cooling_register() | Date | Mon, 10 Apr 2017 17:12:06 +0200 |
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From: Markus Elfring <elfring@users.sourceforge.net> Date: Mon, 10 Apr 2017 17:00:13 +0200
A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "kmalloc_array".
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> --- 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 69d0f430b2d1..273d9d5dbe0f 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c @@ -823,8 +823,9 @@ __cpufreq_cooling_register(struct device_node *np, cpufreq_for_each_valid_entry(pos, table) cpufreq_dev->max_level++; - cpufreq_dev->freq_table = kmalloc(sizeof(*cpufreq_dev->freq_table) * - cpufreq_dev->max_level, GFP_KERNEL); + cpufreq_dev->freq_table = kmalloc_array(cpufreq_dev->max_level, + sizeof(*cpufreq_dev->freq_table), + GFP_KERNEL); if (!cpufreq_dev->freq_table) { cool_dev = ERR_PTR(-ENOMEM); goto free_time_in_idle_timestamp; -- 2.12.2
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