Commit a913f507 authored Jun 10, 2006 by Andrew Morton Committed by Linus Torvalds Jun 10, 2006

[PATCH] powernow-k8 crash workaround

From: Andrew Morton <akpm@osdl.org>

Work around the oops reported in
http://bugzilla.kernel.org/show_bug.cgi?id=6478

.

Thanks to Ralf Hildebrandt <ralf.hildebrandt@charite.de> for testing and
reporting.

Acked-by: Dave Jones <davej@codemonkey.org.uk>
Cc: "Brown, Len" <len.brown@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent 670bd95e

drivers/acpi/processor_perflib.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -577,6 +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)) {
		@@ -609,6 +611,7 @@ acpi_processor_unregister_performance(struct acpi_processor_performance
		return_VOID;
		}

		if (pr->performance)
		kfree(pr->performance->states);
		pr->performance = NULL;