Fix nil pointer panic on error

spacemeshos · Sep 19, 2023 · 2cba9d0 · 2cba9d0
1 parent 27c3dd7
commit 2cba9d0
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/activation/nipost_state.go b/activation/nipost_state.go
@@ -22,9 +22,10 @@ const (
 )
 
 func write(path string, data []byte) error {
-	tmp, err := os.Create(fmt.Sprintf("%s.tmp", path))
+	tmpName := fmt.Sprintf("%s.tmp", path)
+	tmp, err := os.Create(tmpName)
 	if err != nil {
-		return fmt.Errorf("create temporary file %s: %w", tmp.Name(), err)
+		return fmt.Errorf("create temporary file %s: %w", tmpName, err)
 	}
 
 	checksum := crc64.New(crc64.MakeTable(crc64.ISO))