Merge commit 'v2.6.32-rc6' into perf/core

Conflicts:
	tools/perf/Makefile

Merge reason: Resolve the conflict, merge to upstream and merge in
              perf fixes so we can add a dependent patch.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 9335b87c5174..0c9c6a9a002c 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -251,6 +251,9 @@ int acpi_lid_open(void)
         acpi_status status;
         unsigned long long state;
 
+        if (!lid_device)
+                return -ENODEV;
+
         status = acpi_evaluate_integer(lid_device->handle, "_LID", NULL,
                                        &state);
         if (ACPI_FAILURE(status))