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cpufreq: apply init protection for governor

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Signed-off-by: Nahuel Gómez <nahuelgomez329@gmail.com>
This commit is contained in:
Nahuel Gómez 2025-01-15 12:16:52 -03:00 • committed by Ksawlii
parent 41b2ee9adb
commit 9c13012c2d
1 changed files with 4 additions and 0 deletions
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4
drivers/cpufreq/cpufreq.c
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@ -31,6 +31,7 @@
#include <linux/tick.h> #include <linux/tick.h>
#include <trace/events/power.h> #include <trace/events/power.h>
#include <trace/hooks/cpufreq.h> #include <trace/hooks/cpufreq.h>
#include <linux/binfmts.h>
static LIST_HEAD(cpufreq_policy_list); static LIST_HEAD(cpufreq_policy_list);
@ -790,6 +791,9 @@ static ssize_t store_scaling_governor(struct cpufreq_policy *policy,
char str_governor[16]; char str_governor[16];
int ret; int ret;
if (task_is_booster(current))
return -EINVAL;
ret = sscanf(buf, "%15s", str_governor); ret = sscanf(buf, "%15s", str_governor);
if (ret != 1) if (ret != 1)
return -EINVAL; return -EINVAL;