The status local variable is assigned but never read: drivers/platform/surface/surface3-wmi.c:60:14: warning: variable ‘status’ set but not used [-Wunused-but-set-variable] acpi_status status; ^~~~~~ Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: Zou Wei <zou_wei@xxxxxxxxxx> --- drivers/platform/surface/surface3-wmi.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/platform/surface/surface3-wmi.c b/drivers/platform/surface/surface3-wmi.c index 130b6f5..ae1416c 100644 --- a/drivers/platform/surface/surface3-wmi.c +++ b/drivers/platform/surface/surface3-wmi.c @@ -57,12 +57,10 @@ static DEFINE_MUTEX(s3_wmi_lock); static int s3_wmi_query_block(const char *guid, int instance, int *ret) { struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; - acpi_status status; union acpi_object *obj; int error = 0; mutex_lock(&s3_wmi_lock); - status = wmi_query_block(guid, instance, &output); obj = output.pointer; -- 2.6.2