diff --git a/ash-window/src/lib.rs b/ash-window/src/lib.rs
index 5328c82a7..8c7a67223 100644
--- a/ash-window/src/lib.rs
+++ b/ash-window/src/lib.rs
@@ -51,7 +51,7 @@ pub unsafe fn create_surface(
 
         (RawDisplayHandle::Xlib(display), RawWindowHandle::Xlib(window)) => {
             let surface_desc = vk::XlibSurfaceCreateInfoKHR::default()
-                .dpy(display.display as *mut _)
+                .dpy(display.display.cast())
                 .window(window.window);
             let surface_fn = khr::XlibSurface::new(entry, instance);
             surface_fn.create_xlib_surface(&surface_desc, allocation_callbacks)
@@ -77,7 +77,7 @@ pub unsafe fn create_surface(
             use raw_window_metal::{appkit, Layer};
 
             let layer = match appkit::metal_layer_from_handle(window) {
-                Layer::Existing(layer) | Layer::Allocated(layer) => layer as *mut _,
+                Layer::Existing(layer) | Layer::Allocated(layer) => layer.cast(),
                 Layer::None => return Err(vk::Result::ERROR_INITIALIZATION_FAILED),
             };
 
@@ -91,7 +91,7 @@ pub unsafe fn create_surface(
             use raw_window_metal::{uikit, Layer};
 
             let layer = match uikit::metal_layer_from_handle(window) {
-                Layer::Existing(layer) | Layer::Allocated(layer) => layer as *mut _,
+                Layer::Existing(layer) | Layer::Allocated(layer) => layer.cast(),
                 Layer::None => return Err(vk::Result::ERROR_INITIALIZATION_FAILED),
             };
 
diff --git a/ash/src/device.rs b/ash/src/device.rs
index aecd13c0d..b8c07ae02 100644
--- a/ash/src/device.rs
+++ b/ash/src/device.rs
@@ -1502,14 +1502,15 @@ impl Device {
         create_info: &vk::DescriptorSetAllocateInfo,
     ) -> VkResult<Vec<vk::DescriptorSet>> {
         let mut desc_set = Vec::with_capacity(create_info.descriptor_set_count as usize);
-        let err_code = (self.device_fn_1_0.allocate_descriptor_sets)(
+        (self.device_fn_1_0.allocate_descriptor_sets)(
             self.handle(),
             create_info,
             desc_set.as_mut_ptr(),
-        );
+        )
+        .result()?;
 
         desc_set.set_len(create_info.descriptor_set_count as usize);
-        err_code.result_with_success(desc_set)
+        Ok(desc_set)
     }
 
     /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkCreateDescriptorSetLayout.html>
@@ -2026,7 +2027,7 @@ impl Device {
             first_query,
             data.len() as u32,
             data_size,
-            data.as_mut_ptr() as *mut _,
+            data.as_mut_ptr().cast(),
             mem::size_of::<T>() as _,
             flags,
         )
@@ -2484,13 +2485,14 @@ impl Device {
         create_info: &vk::CommandBufferAllocateInfo,
     ) -> VkResult<Vec<vk::CommandBuffer>> {
         let mut buffers = Vec::with_capacity(create_info.command_buffer_count as usize);
-        let err_code = (self.device_fn_1_0.allocate_command_buffers)(
+        (self.device_fn_1_0.allocate_command_buffers)(
             self.handle(),
             create_info,
             buffers.as_mut_ptr(),
-        );
+        )
+        .result()?;
         buffers.set_len(create_info.command_buffer_count as usize);
-        err_code.result_with_success(buffers)
+        Ok(buffers)
     }
 
     /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkCreateCommandPool.html>
diff --git a/ash/src/extensions/khr/display_swapchain.rs b/ash/src/extensions/khr/display_swapchain.rs
index 649851ba1..e4a33b2bd 100755
--- a/ash/src/extensions/khr/display_swapchain.rs
+++ b/ash/src/extensions/khr/display_swapchain.rs
@@ -28,15 +28,16 @@ impl DisplaySwapchain {
         allocation_callbacks: Option<&vk::AllocationCallbacks>,
     ) -> VkResult<Vec<vk::SwapchainKHR>> {
         let mut swapchains = Vec::with_capacity(create_infos.len());
-        let err_code = (self.fp.create_shared_swapchains_khr)(
+        (self.fp.create_shared_swapchains_khr)(
             self.handle,
             create_infos.len() as u32,
             create_infos.as_ptr(),
             allocation_callbacks.as_raw_ptr(),
             swapchains.as_mut_ptr(),
-        );
+        )
+        .result()?;
         swapchains.set_len(create_infos.len());
-        err_code.result_with_success(swapchains)
+        Ok(swapchains)
     }
 
     #[inline]
diff --git a/ash/src/extensions/khr/ray_tracing_pipeline.rs b/ash/src/extensions/khr/ray_tracing_pipeline.rs
index 9e409e336..aba28cf74 100644
--- a/ash/src/extensions/khr/ray_tracing_pipeline.rs
+++ b/ash/src/extensions/khr/ray_tracing_pipeline.rs
@@ -90,16 +90,17 @@ impl RayTracingPipeline {
         data_size: usize,
     ) -> VkResult<Vec<u8>> {
         let mut data = Vec::<u8>::with_capacity(data_size);
-        let err_code = (self.fp.get_ray_tracing_shader_group_handles_khr)(
+        (self.fp.get_ray_tracing_shader_group_handles_khr)(
             self.handle,
             pipeline,
             first_group,
             group_count,
             data_size,
-            data.as_mut_ptr() as *mut std::ffi::c_void,
-        );
+            data.as_mut_ptr().cast(),
+        )
+        .result()?;
         data.set_len(data_size);
-        err_code.result_with_success(data)
+        Ok(data)
     }
 
     /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkGetRayTracingCaptureReplayShaderGroupHandlesKHR.html>
@@ -111,8 +112,8 @@ impl RayTracingPipeline {
         group_count: u32,
         data_size: usize,
     ) -> VkResult<Vec<u8>> {
-        let mut data: Vec<u8> = Vec::with_capacity(data_size);
-        let err_code = (self
+        let mut data = Vec::<u8>::with_capacity(data_size);
+        (self
             .fp
             .get_ray_tracing_capture_replay_shader_group_handles_khr)(
             self.handle,
@@ -120,10 +121,11 @@ impl RayTracingPipeline {
             first_group,
             group_count,
             data_size,
-            data.as_mut_ptr() as *mut _,
-        );
+            data.as_mut_ptr().cast(),
+        )
+        .result()?;
         data.set_len(data_size);
-        err_code.result_with_success(data)
+        Ok(data)
     }
 
     /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkCmdTraceRaysIndirectKHR.html>
diff --git a/ash/src/prelude.rs b/ash/src/prelude.rs
index c0b548c9e..321c3aadd 100644
--- a/ash/src/prelude.rs
+++ b/ash/src/prelude.rs
@@ -49,8 +49,9 @@ where
 
         let err_code = f(&mut count, data.as_mut_ptr());
         if err_code != vk::Result::INCOMPLETE {
+            err_code.result()?;
             data.set_len(count.try_into().expect("`N` failed to convert to `usize`"));
-            break err_code.result_with_success(data);
+            break Ok(data);
         }
     }
 }