Use ? instead of match

Author: CraftSpider

library/core/src/alloc/layout.rs

@@ -326,10 +326,8 @@ impl Layout {
         let alloc_size = padded_size.checked_mul(n).ok_or(LayoutError)?;
 
         // The safe constructor is called here to enforce the isize size limit.
-        match Layout::from_size_alignment(alloc_size, self.align) {
-            Ok(layout) => Ok((layout, padded_size)),
-            Err(e) => Err(e),
-        }
+        let layout = Layout::from_size_alignment(alloc_size, self.align)?;
+        Ok((layout, padded_size))
     }
 
     /// Creates a layout describing the record for `self` followed by