Fix bool return types

This makes wlroots build in C23 mode.

C23 is more strict and rejects implicit conversions from bool to a
pointer.

2 files changed, 3 insertions, 3 deletions

diff --git a/render/vulkan/renderer.c b/render/vulkan/renderer.c
index d15ccc2d..05486a0f 100644
--- a/render/vulkan/renderer.c
+++ b/render/vulkan/renderer.c
@@ -1816,12 +1816,12 @@ struct wlr_vk_pipeline_layout *get_or_create_pipeline_layout(
 	if (res != VK_SUCCESS) {
 		wlr_vk_error("vkCreateSampler", res);
 		free(pipeline_layout);
-		return false;
+		return NULL;
 	}
 
 	if (!init_tex_layouts(renderer, pipeline_layout->sampler, &pipeline_layout->ds, &pipeline_layout->vk)) {
 		free(pipeline_layout);
-		return false;
+		return NULL;
 	}
 
 	wl_list_insert(&renderer->pipeline_layouts, &pipeline_layout->link);
diff --git a/render/vulkan/texture.c b/render/vulkan/texture.c
index 4b9674cf..61c14626 100644
--- a/render/vulkan/texture.c
+++ b/render/vulkan/texture.c
@@ -806,7 +806,7 @@ static struct wlr_texture *vulkan_texture_from_dmabuf_buffer(
 
 	struct wlr_vk_texture *texture = vulkan_texture_from_dmabuf(renderer, dmabuf);
 	if (texture == NULL) {
-		return false;
+		return NULL;
 	}
 
 	texture->buffer = wlr_buffer_lock(buffer);