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thermal: cpu_cooling: use snprintf instead of sprintf 

Limit the amount of bytes written to dev_name by
secure writing with snprintf.

Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
hifive-unleashed-5.1
Eduardo Valentin 2013-04-17 17:12:17 +00:00 committed by Zhang Rui
parent 135266b4ea
commit 99871a714b
1 changed files with 2 additions and 1 deletions
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3
drivers/thermal/cpu_cooling.c
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@ -458,7 +458,8 @@ struct thermal_cooling_device *cpufreq_cooling_register(
return ERR_PTR(-EINVAL);
}
sprintf(dev_name, "thermal-cpufreq-%d", cpufreq_dev->id);
snprintf(dev_name, sizeof(dev_name), "thermal-cpufreq-%d",
cpufreq_dev->id);
cool_dev = thermal_cooling_device_register(dev_name, cpufreq_dev,
&cpufreq_cooling_ops);