drm/amd/display: prevent memory leak

In dcn*_create_resource_pool the allocated memory should be released if
construct pool fails.
Reviewed-by: NHarry Wentland <harry.wentland@amd.com>
Signed-off-by: NNavid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c

@@ -1091,6 +1091,7 @@ struct resource_pool *dce100_create_resource_pool(
 	if (construct(num_virtual_links, dc, pool))
 		return &pool->base;
 
+	kfree(pool);
 	BREAK_TO_DEBUGGER();
 	return NULL;
 }

drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c

@@ -1462,6 +1462,7 @@ struct resource_pool *dce110_create_resource_pool(
 	if (construct(num_virtual_links, dc, pool, asic_id))
 		return &pool->base;
 
+	kfree(pool);
 	BREAK_TO_DEBUGGER();
 	return NULL;
 }

drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c

@@ -1342,6 +1342,7 @@ struct resource_pool *dce112_create_resource_pool(
 	if (construct(num_virtual_links, dc, pool))
 		return &pool->base;
 
+	kfree(pool);
 	BREAK_TO_DEBUGGER();
 	return NULL;
 }

drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c

@@ -1208,6 +1208,7 @@ struct resource_pool *dce120_create_resource_pool(
 	if (construct(num_virtual_links, dc, pool))
 		return &pool->base;
 
+	kfree(pool);
 	BREAK_TO_DEBUGGER();
 	return NULL;
 }

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c

@@ -1570,6 +1570,7 @@ struct resource_pool *dcn10_create_resource_pool(
 	if (construct(init_data->num_virtual_links, dc, pool))
 		return &pool->base;
 
+	kfree(pool);
 	BREAK_TO_DEBUGGER();
 	return NULL;
 }