From 5fffa440d9f85ac05b55b4e1e79c1a93cf2e12a6 Mon Sep 17 00:00:00 2001
From: JohnnyChen <johnnychen94@hotmail.com>
Date: Wed, 3 Nov 2021 19:33:00 +0800
Subject: [PATCH] apply suggestions on simplifying the implementation

---
 stdlib/LinearAlgebra/src/blas.jl | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/stdlib/LinearAlgebra/src/blas.jl b/stdlib/LinearAlgebra/src/blas.jl
index 1078fa10da111..9f08786a5d960 100644
--- a/stdlib/LinearAlgebra/src/blas.jl
+++ b/stdlib/LinearAlgebra/src/blas.jl
@@ -202,15 +202,13 @@ number of BLAS threads.
 function with_num_threads(f, num_threads::Integer)
     prev_num_threads = BLAS.get_num_threads()
     BLAS.set_num_threads(num_threads)
-    local retval
     try
-        retval = f()
-    catch err
-        rethrow(err)
+        return f()
+    catch
+        rethrow()
     finally
         BLAS.set_num_threads(prev_num_threads)
     end
-    return retval
 end
 
 # Level 1