diff --git a/local/recipes/gpu/redox-drm/source/src/drivers/virtio/mod.rs b/local/recipes/gpu/redox-drm/source/src/drivers/virtio/mod.rs
index d6aab31e32..45477abe53 100644
--- a/local/recipes/gpu/redox-drm/source/src/drivers/virtio/mod.rs
+++ b/local/recipes/gpu/redox-drm/source/src/drivers/virtio/mod.rs
@@ -902,12 +902,14 @@ impl GpuDriver for VirtioDriver {
     fn virgl_resource_create_blob(
         &self, blob_mem: u32, blob_flags: u32, blob_id: u64, size: u64,
     ) -> Result<(GemHandle, u32)> {
-        let mut device = self
-            .device
-            .lock()
-            .map_err(|_| DriverError::Initialization("VirtIO device state poisoned".into()))?;
-        if !device.has_resource_blob {
-            return Err(DriverError::Unsupported("virgl blob resource create"));
+        {
+            let device = self
+                .device
+                .lock()
+                .map_err(|_| DriverError::Initialization("VirtIO device state poisoned".into()))?;
+            if !device.has_resource_blob {
+                return Err(DriverError::Unsupported("virgl blob resource create"));
+            }
         }
         let gem_handle = self.gem_create(size, 0, 0)?;
         let resource = self
@@ -916,6 +918,10 @@ impl GpuDriver for VirtioDriver {
             .map_err(|_| DriverError::Initialization("VirtIO resource state poisoned".into()))?
             .find_by_handle(gem_handle)
             .ok_or(DriverError::NotFound(format!("resource for GEM handle {}", gem_handle)))?;
+        let mut device = self
+            .device
+            .lock()
+            .map_err(|_| DriverError::Initialization("VirtIO device state poisoned".into()))?;
         device.resource_create_blob(resource.resource_id, blob_mem, blob_flags, blob_id, size)?;
         Ok((gem_handle, resource.resource_id))
     }
@@ -1016,14 +1022,14 @@ impl GpuDriver for VirtioDriver {
                 return Err(DriverError::NotFound(format!("CRTC {}", crtc_id)));
             }
             AtomicCheckResult::InvalidMode { crtc_id, reason } => {
-                return Err(DriverError::InvalidArgument(Box::leak(
-                    format!("CRTC {} invalid mode: {}", crtc_id, reason).into_boxed_str(),
-                )));
+                return Err(DriverError::InvalidArgument(
+                    "atomic mode validation failed",
+                ));
             }
             AtomicCheckResult::ClockTooHigh { crtc_id, .. } => {
-                return Err(DriverError::InvalidArgument(Box::leak(
-                    format!("CRTC {} pixel clock exceeds hardware limit", crtc_id).into_boxed_str(),
-                )));
+                return Err(DriverError::InvalidArgument(
+                    "atomic pixel clock exceeds hardware limit",
+                ));
             }
             AtomicCheckResult::ConnectorDisconnected { connector_id } => {
                 return Err(DriverError::Initialization(format!(