Unverified Commit 628e30bc authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!14818 olk-6.6 

Merge Pull Request from: @ci-robot 
 
PR sync from: Yuntao Liu <liuyuntao12@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/54ITXTFHSFABUJH42TIG3GPSVX2NDVVB/ 
CVE-2024-53231

Jinjie Ruan (1):
  cpufreq: CPPC: Fix possible null-ptr-deref for cpufreq_cpu_get_raw()


-- 
2.34.1
 
https://gitee.com/src-openeuler/kernel/issues/IBEAEU 
 
Link:https://gitee.com/openeuler/kernel/pulls/14818
parents 82151bac c7785c3a

drivers/cpufreq/cppc_cpufreq.c

+3 −0
Original line number Diff line number Diff line
@@ -431,6 +431,9 @@ static int cppc_get_cpu_power(struct device *cpu_dev, 
	struct cppc_cpudata *cpu_data;



	policy = cpufreq_cpu_get_raw(cpu_dev->id);

	if (!policy)

		return 0;



	cpu_data = policy->driver_data;

	perf_caps = &cpu_data->perf_caps;

	max_cap = arch_scale_cpu_capacity(cpu_dev->id);