chore: various op cleanup (#12329)

1 files changed, 1 insertions, 3 deletions

diff --git a/ext/webgpu/buffer.rs b/ext/webgpu/buffer.rs
index 92afd2ef9..30818194f 100644
--- a/ext/webgpu/buffer.rs
+++ b/ext/webgpu/buffer.rs
@@ -1,6 +1,5 @@
 // Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
 
-use deno_core::error::null_opbuf;
 use deno_core::error::type_error;
 use deno_core::error::AnyError;
 use deno_core::futures::channel::oneshot;
@@ -171,9 +170,8 @@ pub struct BufferGetMappedRangeArgs {
 pub fn op_webgpu_buffer_get_mapped_range(
   state: &mut OpState,
   args: BufferGetMappedRangeArgs,
-  zero_copy: Option<ZeroCopyBuf>,
+  mut zero_copy: ZeroCopyBuf,
 ) -> Result<WebGpuResult, AnyError> {
-  let mut zero_copy = zero_copy.ok_or_else(null_opbuf)?;
   let instance = state.borrow::<super::Instance>();
   let buffer_resource =
     state.resource_table.get::<WebGpuBuffer>(args.buffer_rid)?;