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authorPaul Mundt <lethal@linux-sh.org>2009-10-16 15:14:50 +0900
committerPaul Mundt <lethal@linux-sh.org>2009-10-16 15:14:50 +0900
commitabeaf33a4101764291ec79cf286e08c0966eb26e (patch)
treebb3f8ae60d1ff0d99a907bcc223886f9d71fafea /drivers/acpi/button.c
parent731ba3301de41d2ffae9dd3e0f85f7361d8ad8f4 (diff)
parent52a94909f00e0ffceeac202e517a126d57c1c523 (diff)
Merge branch 'sh/stable-updates'
Conflicts: arch/sh/mm/cache-sh4.c
Diffstat (limited to 'drivers/acpi/button.c')
-rw-r--r--drivers/acpi/button.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 9335b87c517..0c9c6a9a002 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))