aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/platform/x86/surface3-wmi.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/platform/x86/surface3-wmi.c')
-rw-r--r--drivers/platform/x86/surface3-wmi.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/platform/x86/surface3-wmi.c b/drivers/platform/x86/surface3-wmi.c
index 5553b2b85e0a..cbf4d83a7271 100644
--- a/drivers/platform/x86/surface3-wmi.c
+++ b/drivers/platform/x86/surface3-wmi.c
@@ -60,10 +60,10 @@ static DEFINE_MUTEX(s3_wmi_lock);
60 60
61static int s3_wmi_query_block(const char *guid, int instance, int *ret) 61static int s3_wmi_query_block(const char *guid, int instance, int *ret)
62{ 62{
63 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
63 acpi_status status; 64 acpi_status status;
64 union acpi_object *obj; 65 union acpi_object *obj;
65 66 int error = 0;
66 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
67 67
68 mutex_lock(&s3_wmi_lock); 68 mutex_lock(&s3_wmi_lock);
69 status = wmi_query_block(guid, instance, &output); 69 status = wmi_query_block(guid, instance, &output);
@@ -77,13 +77,14 @@ static int s3_wmi_query_block(const char *guid, int instance, int *ret)
77 obj->type == ACPI_TYPE_BUFFER ? 77 obj->type == ACPI_TYPE_BUFFER ?
78 obj->buffer.length : 0); 78 obj->buffer.length : 0);
79 } 79 }
80 kfree(obj); 80 error = -EINVAL;
81 return -EINVAL; 81 goto out_free_unlock;
82 } 82 }
83 *ret = obj->integer.value; 83 *ret = obj->integer.value;
84 out_free_unlock:
84 kfree(obj); 85 kfree(obj);
85 mutex_unlock(&s3_wmi_lock); 86 mutex_unlock(&s3_wmi_lock);
86 return 0; 87 return error;
87} 88}
88 89
89static inline int s3_wmi_query_lid(int *ret) 90static inline int s3_wmi_query_lid(int *ret)