diff options
Diffstat (limited to 'drivers/platform/x86/hp-wmi.c')
-rw-r--r-- | drivers/platform/x86/hp-wmi.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c index 63c3e658a884..8781d8fa7a57 100644 --- a/drivers/platform/x86/hp-wmi.c +++ b/drivers/platform/x86/hp-wmi.c | |||
@@ -134,10 +134,15 @@ static int hp_wmi_perform_query(int query, int write, int value) | |||
134 | 134 | ||
135 | obj = output.pointer; | 135 | obj = output.pointer; |
136 | 136 | ||
137 | if (!obj || obj->type != ACPI_TYPE_BUFFER) | 137 | if (!obj) |
138 | return -EINVAL; | 138 | return -EINVAL; |
139 | else if (obj->type != ACPI_TYPE_BUFFER) { | ||
140 | kfree(obj); | ||
141 | return -EINVAL; | ||
142 | } | ||
139 | 143 | ||
140 | bios_return = *((struct bios_return *)obj->buffer.pointer); | 144 | bios_return = *((struct bios_return *)obj->buffer.pointer); |
145 | kfree(obj); | ||
141 | if (bios_return.return_code > 0) | 146 | if (bios_return.return_code > 0) |
142 | return bios_return.return_code * -1; | 147 | return bios_return.return_code * -1; |
143 | else | 148 | else |
@@ -340,10 +345,12 @@ static void hp_wmi_notify(u32 value, void *context) | |||
340 | 345 | ||
341 | if (!obj || obj->type != ACPI_TYPE_BUFFER || obj->buffer.length != 8) { | 346 | if (!obj || obj->type != ACPI_TYPE_BUFFER || obj->buffer.length != 8) { |
342 | printk(KERN_INFO "HP WMI: Unknown response received\n"); | 347 | printk(KERN_INFO "HP WMI: Unknown response received\n"); |
348 | kfree(obj); | ||
343 | return; | 349 | return; |
344 | } | 350 | } |
345 | 351 | ||
346 | eventcode = *((u8 *) obj->buffer.pointer); | 352 | eventcode = *((u8 *) obj->buffer.pointer); |
353 | kfree(obj); | ||
347 | if (eventcode == 0x4) | 354 | if (eventcode == 0x4) |
348 | eventcode = hp_wmi_perform_query(HPWMI_HOTKEY_QUERY, 0, | 355 | eventcode = hp_wmi_perform_query(HPWMI_HOTKEY_QUERY, 0, |
349 | 0); | 356 | 0); |
@@ -381,6 +388,8 @@ static void hp_wmi_notify(u32 value, void *context) | |||
381 | } else | 388 | } else |
382 | printk(KERN_INFO "HP WMI: Unknown key pressed - %x\n", | 389 | printk(KERN_INFO "HP WMI: Unknown key pressed - %x\n", |
383 | eventcode); | 390 | eventcode); |
391 | |||
392 | kfree(obj); | ||
384 | } | 393 | } |
385 | 394 | ||
386 | static int __init hp_wmi_input_setup(void) | 395 | static int __init hp_wmi_input_setup(void) |