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authorAnisse Astier <anisse@astier.eu>2009-12-04 10:10:09 +0100
committerLen Brown <len.brown@intel.com>2009-12-24 06:42:00 +0100
commit3e9b988e4edf065d39c1343937f717319b1c1065 (patch)
treecbe17a0322f64a3b5ebb8ead6b610cf3cd1f4fb7 /drivers/platform/x86
parentdrivers/platform/x86/acerhdf.c: check BIOS information whether it begins with... (diff)
downloadlinux-3e9b988e4edf065d39c1343937f717319b1c1065.tar.xz
linux-3e9b988e4edf065d39c1343937f717319b1c1065.zip
wmi: Free the allocated acpi objects through wmi_get_event_data
These function allocate an acpi object by calling wmi_get_event_data, which then calls acpi_evaluate_object, and it is not freed afterwards. And kernel doc is fixed for parameters of wmi_get_event_data. Signed-off-by: Anisse Astier <anisse@astier.eu> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Acked-by: Carlos Corbacho <carlos@strangeworlds.co.uk> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/platform/x86')
-rw-r--r--drivers/platform/x86/dell-wmi.c1
-rw-r--r--drivers/platform/x86/hp-wmi.c2
-rw-r--r--drivers/platform/x86/wmi.c4
3 files changed, 5 insertions, 2 deletions
diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c
index 67f3fe71c509..6561dfc028e5 100644
--- a/drivers/platform/x86/dell-wmi.c
+++ b/drivers/platform/x86/dell-wmi.c
@@ -238,6 +238,7 @@ static void dell_wmi_notify(u32 value, void *context)
input_sync(dell_wmi_input_dev);
}
}
+ kfree(obj);
}
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 63c3e658a884..db10c5d007ec 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -381,6 +381,8 @@ static void hp_wmi_notify(u32 value, void *context)
} else
printk(KERN_INFO "HP WMI: Unknown key pressed - %x\n",
eventcode);
+
+ 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 e425a868cd3a..9f93d6c0f510 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -540,8 +540,8 @@ 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
+ * @event: Event to find
+ * @out: Buffer to hold event data. out->pointer should be freed with kfree()
*
* Returns extra data associated with an event in WMI.
*/