Problem: handle file close logic

CHANGELOG.md

@@ -56,6 +56,10 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (rpc) [tharsis#661](https://github.com/tharsis/ethermint/pull/661) Fix OOM bug when creating too many filters using JSON-RPC.
 * (evm) [tharsis#660](https://github.com/tharsis/ethermint/pull/660) Fix `nil` pointer panic in `ApplyNativeMessage`.
 
+### Improvements
+
+(rpc) [tharsis#679](https://github.com/tharsis/ethermint/pull/679) Fix file close handle.
+
 ## [v0.7.0] - 2021-10-07
 
 ### API Breaking

rpc/ethereum/namespaces/debug/utils.go

@@ -48,7 +48,11 @@ func writeProfile(name, file string, log log.Logger) error {
 	if err != nil {
 		return err
 	}
-	defer f.Close()
 
-	return p.WriteTo(f, 0)
+	if err := p.WriteTo(f, 0); err != nil {
+		f.Close()
+		return err
+	}
+
+	return f.Close()
 }