X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Facpi%2Fprocessor_perflib.c;h=f36db22ce1aeb9b745ee815f6266779f31e98945;hb=76df73ff90e99681a99e457aec4cfe0a240b7982;hp=22c7bb66c2005c4956a241c7a31a566d9ae6b073;hpb=13779c739168fdb905fae81287d75a9e632825e3;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index 22c7bb66c20..f36db22ce1a 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -315,8 +315,6 @@ static int acpi_processor_get_performance_info(struct acpi_processor *pr)
 	if (!pr || !pr->performance || !pr->handle)
 		return_VALUE(-EINVAL);
 
-	acpi_processor_set_pdc(pr, pr->performance->pdc);
-
 	status = acpi_get_handle(pr->handle, "_PCT", &handle);
 	if (ACPI_FAILURE(status)) {
 		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
@@ -520,8 +518,8 @@ static void acpi_cpufreq_add_file(struct acpi_processor *pr)
 				  "Unable to create '%s' fs entry\n",
 				  ACPI_PROCESSOR_FILE_PERFORMANCE));
 	else {
+		acpi_processor_perf_fops.write = acpi_processor_write_performance;
 		entry->proc_fops = &acpi_processor_perf_fops;
-		entry->proc_fops->write = acpi_processor_write_performance;
 		entry->data = acpi_driver_data(device);
 		entry->owner = THIS_MODULE;
 	}
@@ -579,6 +577,8 @@ acpi_processor_register_performance(struct acpi_processor_performance
 		return_VALUE(-EBUSY);
 	}
 
+	WARN_ON(!performance);
+
 	pr->performance = performance;
 
 	if (acpi_processor_get_performance_info(pr)) {
@@ -611,7 +611,8 @@ acpi_processor_unregister_performance(struct acpi_processor_performance
 		return_VOID;
 	}
 
-	kfree(pr->performance->states);
+	if (pr->performance)
+		kfree(pr->performance->states);
 	pr->performance = NULL;
 
 	acpi_cpufreq_remove_file(pr);