From: Dave Airlie <airlied@redhat.com>
Date: Fri, 29 Sep 2017 14:34:42 +1000
Subject: amdgpu/dc: fix construct return values on irq service.
Git-commit: 6be663b5bdb7cc299b2aafca56be39f6618090ab
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

This just removes more unused return/errors paths.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c |   14 ++--------
 drivers/gpu/drm/amd/display/dc/irq/dce120/irq_service_dce120.c |   14 ++--------
 drivers/gpu/drm/amd/display/dc/irq/dce80/irq_service_dce80.c   |   14 ++--------
 drivers/gpu/drm/amd/display/dc/irq/dcn10/irq_service_dcn10.c   |   14 ++--------
 drivers/gpu/drm/amd/display/dc/irq/irq_service.c               |    9 +++---
 drivers/gpu/drm/amd/display/dc/irq/irq_service.h               |    2 -
 6 files changed, 22 insertions(+), 45 deletions(-)

--- a/drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c
+++ b/drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c
@@ -406,17 +406,14 @@ static const struct irq_service_funcs ir
 		.to_dal_irq_source = to_dal_irq_source_dce110
 };
 
-static bool construct(
+static void construct(
 	struct irq_service *irq_service,
 	struct irq_service_init_data *init_data)
 {
-	if (!dal_irq_service_construct(irq_service, init_data))
-		return false;
+	dal_irq_service_construct(irq_service, init_data);
 
 	irq_service->info = irq_source_info_dce110;
 	irq_service->funcs = &irq_service_funcs_dce110;
-
-	return true;
 }
 
 struct irq_service *dal_irq_service_dce110_create(
@@ -428,9 +425,6 @@ struct irq_service *dal_irq_service_dce1
 	if (!irq_service)
 		return NULL;
 
-	if (construct(irq_service, init_data))
-		return irq_service;
-
-	kfree(irq_service);
-	return NULL;
+	construct(irq_service, init_data);
+	return irq_service;
 }
--- a/drivers/gpu/drm/amd/display/dc/irq/dce120/irq_service_dce120.c
+++ b/drivers/gpu/drm/amd/display/dc/irq/dce120/irq_service_dce120.c
@@ -265,17 +265,14 @@ static const struct irq_service_funcs ir
 		.to_dal_irq_source = to_dal_irq_source_dce110
 };
 
-static bool construct(
+static void construct(
 	struct irq_service *irq_service,
 	struct irq_service_init_data *init_data)
 {
-	if (!dal_irq_service_construct(irq_service, init_data))
-		return false;
+	dal_irq_service_construct(irq_service, init_data);
 
 	irq_service->info = irq_source_info_dce120;
 	irq_service->funcs = &irq_service_funcs_dce120;
-
-	return true;
 }
 
 struct irq_service *dal_irq_service_dce120_create(
@@ -287,9 +284,6 @@ struct irq_service *dal_irq_service_dce1
 	if (!irq_service)
 		return NULL;
 
-	if (construct(irq_service, init_data))
-		return irq_service;
-
-	kfree(irq_service);
-	return NULL;
+	construct(irq_service, init_data);
+	return irq_service;
 }
--- a/drivers/gpu/drm/amd/display/dc/irq/dce80/irq_service_dce80.c
+++ b/drivers/gpu/drm/amd/display/dc/irq/dce80/irq_service_dce80.c
@@ -277,17 +277,14 @@ static const struct irq_service_funcs ir
 		.to_dal_irq_source = to_dal_irq_source_dce110
 };
 
-static bool construct(
+static void construct(
 	struct irq_service *irq_service,
 	struct irq_service_init_data *init_data)
 {
-	if (!dal_irq_service_construct(irq_service, init_data))
-		return false;
+	dal_irq_service_construct(irq_service, init_data);
 
 	irq_service->info = irq_source_info_dce80;
 	irq_service->funcs = &irq_service_funcs_dce80;
-
-	return true;
 }
 
 struct irq_service *dal_irq_service_dce80_create(
@@ -299,11 +296,8 @@ struct irq_service *dal_irq_service_dce8
 	if (!irq_service)
 		return NULL;
 
-	if (construct(irq_service, init_data))
-		return irq_service;
-
-	kfree(irq_service);
-	return NULL;
+	construct(irq_service, init_data);
+	return irq_service;
 }
 
 
--- a/drivers/gpu/drm/amd/display/dc/irq/dcn10/irq_service_dcn10.c
+++ b/drivers/gpu/drm/amd/display/dc/irq/dcn10/irq_service_dcn10.c
@@ -332,17 +332,14 @@ static const struct irq_service_funcs ir
 		.to_dal_irq_source = to_dal_irq_source_dcn10
 };
 
-static bool construct(
+static void construct(
 	struct irq_service *irq_service,
 	struct irq_service_init_data *init_data)
 {
-	if (!dal_irq_service_construct(irq_service, init_data))
-		return false;
+	dal_irq_service_construct(irq_service, init_data);
 
 	irq_service->info = irq_source_info_dcn10;
 	irq_service->funcs = &irq_service_funcs_dcn10;
-
-	return true;
 }
 
 struct irq_service *dal_irq_service_dcn10_create(
@@ -354,9 +351,6 @@ struct irq_service *dal_irq_service_dcn1
 	if (!irq_service)
 		return NULL;
 
-	if (construct(irq_service, init_data))
-		return irq_service;
-
-	kfree(irq_service);
-	return NULL;
+	construct(irq_service, init_data);
+	return irq_service;
 }
--- a/drivers/gpu/drm/amd/display/dc/irq/irq_service.c
+++ b/drivers/gpu/drm/amd/display/dc/irq/irq_service.c
@@ -48,15 +48,16 @@
 #define CTX \
 		irq_service->ctx
 
-bool dal_irq_service_construct(
+void dal_irq_service_construct(
 	struct irq_service *irq_service,
 	struct irq_service_init_data *init_data)
 {
-	if (!init_data || !init_data->ctx)
-		return false;
+	if (!init_data || !init_data->ctx) {
+		BREAK_TO_DEBUGGER();
+		return;
+	}
 
 	irq_service->ctx = init_data->ctx;
-	return true;
 }
 
 void dal_irq_service_destroy(struct irq_service **irq_service)
--- a/drivers/gpu/drm/amd/display/dc/irq/irq_service.h
+++ b/drivers/gpu/drm/amd/display/dc/irq/irq_service.h
@@ -69,7 +69,7 @@ struct irq_service {
 	const struct irq_service_funcs *funcs;
 };
 
-bool dal_irq_service_construct(
+void dal_irq_service_construct(
 	struct irq_service *irq_service,
 	struct irq_service_init_data *init_data);