http.go: close form file if copyZeroAlloc fails (#1498)

valyala · Mar 3, 2023 · 4e8c92b · 4e8c92b
1 parent 8800d4b
commit 4e8c92b
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/http.go b/http.go
@@ -992,6 +992,7 @@ func WriteMultipartForm(w io.Writer, f *multipart.Form, boundary string) error {
 				return fmt.Errorf("cannot open form file %q (%q): %w", k, fv.Filename, err)
 			}
 			if _, err = copyZeroAlloc(vw, fh); err != nil {
+				_ = fh.Close()
 				return fmt.Errorf("error when copying form file %q (%q): %w", k, fv.Filename, err)
 			}
 			if err = fh.Close(); err != nil {