[Linaro-acpi] [PATCH] Platform / wmi: Fix potential memory leak in parse_wdg()

we forgot to call wmi_free_devices() and free out.pointer when alloc mamory failed.

Signed-off-by: Hanjun Guo hanjun.guo@linaro.org --- drivers/platform/x86/wmi.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index 43d1329..e1338b5 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -797,8 +797,11 @@ static int parse_wdg(acpi_handle handle) wmi_dump_wdg(&gblock[i]);

wblock = kzalloc(sizeof(struct wmi_block), GFP_KERNEL); - if (!wblock) - return -ENOMEM; + if (!wblock) { + wmi_free_devices(); + retval = -ENOMEM; + goto out_free_pointer; + }

wblock->handle = handle; wblock->gblock = gblock[i];