Unverified Commit 04bcd1e6 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!12591 cpufreq: amd-pstate: add check for cpufreq_cpu_get's return value 

Merge Pull Request from: @ci-robot 
 
PR sync from: Bowen You <youbowen2@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/KHEVHZMWXVRHS5M3E3R4XBI2ZXSUGYKW/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAYRBF 
 
Link:https://gitee.com/openeuler/kernel/pulls/12591

 

Reviewed-by: default avatarZhang Jianhua <chris.zjh@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents d43ec5c3 b8dc7781

drivers/cpufreq/amd-pstate.c

+6 −1
Original line number Diff line number Diff line
@@ -579,9 +579,14 @@ static void amd_pstate_adjust_perf(unsigned int cpu, 
	unsigned long max_perf, min_perf, des_perf,

		      cap_perf, lowest_nonlinear_perf, max_freq;

	struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);

	struct amd_cpudata *cpudata = policy->driver_data;

	struct amd_cpudata *cpudata;

	unsigned int target_freq;



	if (!policy)

		return;



	cpudata = policy->driver_data;



	if (policy->min != cpudata->min_limit_freq || policy->max != cpudata->max_limit_freq)

		amd_pstate_update_min_max_limit(policy);