summaryrefslogtreecommitdiffstats
path: root/drivers/acpi/button.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2009-11-18 22:19:03 -0800
committerDavid S. Miller <davem@davemloft.net>2009-11-18 22:19:03 -0800
commit3505d1a9fd65e2d3e00827857b6795d9d8983658 (patch)
tree941cfafdb57c427bb6b7ebf6354ee93b2a3693b5 /drivers/acpi/button.c
parentdfef948ed2ba69cf041840b5e860d6b4e16fa0b1 (diff)
parent66b00a7c93ec782d118d2c03bd599cfd041e80a1 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/sfc/sfe4001.c drivers/net/wireless/libertas/cmd.c drivers/staging/Kconfig drivers/staging/Makefile drivers/staging/rtl8187se/Kconfig drivers/staging/rtl8192e/Kconfig
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))