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Diffstat (limited to 'drivers/acpi/ac.c')
-rw-r--r--drivers/acpi/ac.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 24ccf81d135f..11abc7bf777e 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -72,7 +72,7 @@ struct acpi_ac {
unsigned long state;
};
-static struct file_operations acpi_ac_fops = {
+static const struct file_operations acpi_ac_fops = {
.open = acpi_ac_open_fs,
.read = seq_read,
.llseek = seq_lseek,
@@ -285,6 +285,8 @@ static int __init acpi_ac_init(void)
{
int result;
+ if (acpi_disabled)
+ return -ENODEV;
acpi_ac_dir = acpi_lock_ac_dir();
if (!acpi_ac_dir)
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