drm/i915/selftests: Initialise err in case there are no engines!

drivers/gpu/drm/i915//gt/selftest_engine_heartbeat.c:255 live_heartbeat_fast() error: uninitialized symbol 'err'.
drivers/gpu/drm/i915//gt/selftest_engine_heartbeat.c:320 live_heartbeat_off() error: uninitialized symbol 'err'.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191025135943.12524-2-chris@chris-wilson.co.uk

diff --git a/drivers/gpu/drm/i915/gt/selftest_engine_heartbeat.c b/drivers/gpu/drm/i915/gt/selftest_engine_heartbeat.c
index 768f032..155c508 100644 (file)
--- a/drivers/gpu/drm/i915/gt/selftest_engine_heartbeat.c
+++ b/drivers/gpu/drm/i915/gt/selftest_engine_heartbeat.c
@@ -240,7 +240,7 @@ static int live_heartbeat_fast(void *arg)
        struct intel_gt *gt = arg;
        struct intel_engine_cs *engine;
        enum intel_engine_id id;
-       int err;
+       int err = 0;
 
        /* Check that the heartbeat ticks at the desired rate. */
        if (!CONFIG_DRM_I915_HEARTBEAT_INTERVAL)
@@ -302,7 +302,7 @@ static int live_heartbeat_off(void *arg)
        struct intel_gt *gt = arg;
        struct intel_engine_cs *engine;
        enum intel_engine_id id;
-       int err;
+       int err = 0;
 
        /* Check that we can turn off heartbeat and not interrupt VIP */
        if (!CONFIG_DRM_I915_HEARTBEAT_INTERVAL)