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authorDan Carpenter <dan.carpenter@oracle.com>2012-06-12 19:28:50 +0300
committerMatthew Garrett <mjg@redhat.com>2012-06-26 14:43:45 -0400
commit57f9616b79549e772cf4dd3aa1d2df5b6c8acdfa (patch)
tree7e2f256a627966eca82c532aef92d6f32198608d /drivers/platform
parenta1071a5abf1f4d4a7f8324e21b8b32b1342013c7 (diff)
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ideapad: uninitialized data in ideapad_acpi_add()
We only initialize the high bits of "cfg". It probably doesn't cause a problem given that this is platform specific code and doesn't have to worry about endianness etc. But it's sort of messy. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Matthew Garrett <mjg@redhat.com>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/ideapad-laptop.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index 4f20f8d..17f6dfd 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -694,10 +694,10 @@ MODULE_DEVICE_TABLE(acpi, ideapad_device_ids);
static int __devinit ideapad_acpi_add(struct acpi_device *adevice)
{
int ret, i;
- unsigned long cfg;
+ int cfg;
struct ideapad_private *priv;
- if (read_method_int(adevice->handle, "_CFG", (int *)&cfg))
+ if (read_method_int(adevice->handle, "_CFG", &cfg))
return -ENODEV;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
@@ -721,7 +721,7 @@ static int __devinit ideapad_acpi_add(struct acpi_device *adevice)
goto input_failed;
for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) {
- if (test_bit(ideapad_rfk_data[i].cfgbit, &cfg))
+ if (test_bit(ideapad_rfk_data[i].cfgbit, &priv->cfg))
ideapad_register_rfkill(adevice, i);
else
priv->rfk[i] = NULL;