[PATCH] wmi: Free the allocated acpi objects through wmi_get_event_data

[Anisse Astier <anisse@astier.eu>]

These function allocate an acpi object by calling wmi_get_event_data, which
then calls acpi_evaluate_object, and it is not freed afterwards

Signed-off-by: Anisse Astier <anisse@astier.eu>
---
 drivers/platform/x86/dell-wmi.c |    1 +
 drivers/platform/x86/hp-wmi.c   |    2 ++
 drivers/platform/x86/wmi.c      |    2 +-
 3 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c
index 5f4a0e6..cd48a2f 100644
--- a/drivers/platform/x86/dell-wmi.c
+++ b/drivers/platform/x86/dell-wmi.c
@@ -121,6 +121,7 @@ static void dell_wmi_notify(u32 value, void *context)
 			printk(KERN_INFO "dell-wmi: Unknown key %x pressed\n",
 			       buffer[1] & 0xFFFF);
 	}
+	kfree(obj);
 }
 
 static int __init dell_wmi_input_setup(void)
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 8868610..8eba327 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -316,6 +316,8 @@ static void hp_wmi_notify(u32 value, void *context)
 			       eventcode);
 	} else
 		printk(KERN_INFO "HP WMI: Unknown response received\n");
+
+	kfree(obj);
 }
 
 static int __init hp_wmi_input_setup(void)
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 177f8d7..b486048 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -511,7 +511,7 @@ EXPORT_SYMBOL_GPL(wmi_remove_notify_handler);
  * wmi_get_event_data - Get WMI data associated with an event
  *
  * @event - Event to find
- * &out - Buffer to hold event data
+ * &out - Buffer to hold event data. out.pointer should be freed with kfree()
  *
  * Returns extra data associated with an event in WMI.
  */
-- 
1.6.5.3