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-rw-r--r--drivers/cpufreq/cpufreq.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 43c24aa756f6..dbfe219667d3 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1125,7 +1125,7 @@ static int cpufreq_nominate_new_policy_cpu(struct cpufreq_policy *policy,
1125 int ret; 1125 int ret;
1126 1126
1127 /* first sibling now owns the new sysfs dir */ 1127 /* first sibling now owns the new sysfs dir */
1128 cpu_dev = get_cpu_device(cpumask_first(policy->cpus)); 1128 cpu_dev = get_cpu_device(cpumask_any_but(policy->cpus, old_cpu));
1129 1129
1130 /* Don't touch sysfs files during light-weight tear-down */ 1130 /* Don't touch sysfs files during light-weight tear-down */
1131 if (frozen) 1131 if (frozen)
@@ -1189,12 +1189,9 @@ static int __cpufreq_remove_dev_prepare(struct device *dev,
1189 policy->governor->name, CPUFREQ_NAME_LEN); 1189 policy->governor->name, CPUFREQ_NAME_LEN);
1190#endif 1190#endif
1191 1191
1192 WARN_ON(lock_policy_rwsem_write(cpu)); 1192 lock_policy_rwsem_read(cpu);
1193 cpus = cpumask_weight(policy->cpus); 1193 cpus = cpumask_weight(policy->cpus);
1194 1194 unlock_policy_rwsem_read(cpu);
1195 if (cpus > 1)
1196 cpumask_clear_cpu(cpu, policy->cpus);
1197 unlock_policy_rwsem_write(cpu);
1198 1195
1199 if (cpu != policy->cpu) { 1196 if (cpu != policy->cpu) {
1200 if (!frozen) 1197 if (!frozen)
@@ -1237,9 +1234,12 @@ static int __cpufreq_remove_dev_finish(struct device *dev,
1237 return -EINVAL; 1234 return -EINVAL;
1238 } 1235 }
1239 1236
1240 lock_policy_rwsem_read(cpu); 1237 WARN_ON(lock_policy_rwsem_write(cpu));
1241 cpus = cpumask_weight(policy->cpus); 1238 cpus = cpumask_weight(policy->cpus);
1242 unlock_policy_rwsem_read(cpu); 1239
1240 if (cpus > 1)
1241 cpumask_clear_cpu(cpu, policy->cpus);
1242 unlock_policy_rwsem_write(cpu);
1243 1243
1244 /* If cpu is last user of policy, free policy */ 1244 /* If cpu is last user of policy, free policy */
1245 if (cpus == 1) { 1245 if (cpus == 1) {