From 0ab42a78712acbdcfefe5aa3205a15393ebbc6d7 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Mon, 20 Nov 2017 21:19:07 +0000
Subject: [PATCH] drm/i915/selftests: Declare we allocated the guc clients
Git-commit: 0ab42a78712acbdcfefe5aa3205a15393ebbc6d7
Patch-mainline: v4.16-rc1
References: FATE#322643 bsc#1055900

Silence smatch over

drivers/gpu/drm/i915/selftests/intel_guc.c:135 igt_guc_init_doorbell_hw() error: we previously assumed 'guc->execbuf_client' could be null (see line 123)
drivers/gpu/drm/i915/selftests/intel_guc.c:142 igt_guc_init_doorbell_hw() error: we previously assumed 'guc->preempt_client' could be null (see line 123)

by asserting that we did succeed in creating the pair of clients for
testing.

References: 55bd6bd75717 ("drm/i915/selftests: Add a GuC doorbells selftest")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michel Thierry <michel.thierry@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171120211907.1649-1-chris@chris-wilson.co.uk
Reviewed-by: Michel Thierry <michel.thierry@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/gpu/drm/i915/selftests/intel_guc.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/gpu/drm/i915/selftests/intel_guc.c
+++ b/drivers/gpu/drm/i915/selftests/intel_guc.c
@@ -131,6 +131,8 @@ static int igt_guc_init_doorbell_hw(void
 		pr_err("Failed to create clients\n");
 		goto unlock;
 	}
+	GEM_BUG_ON(!guc->execbuf_client);
+	GEM_BUG_ON(!guc->preempt_client);
 
 	err = validate_client(guc->execbuf_client,
 			      GUC_CLIENT_PRIORITY_KMD_NORMAL, false);