cmd/go: close elf file in the readpkglist function

Change-Id: Ief08e311598152f047878fc0fe6a6e37df372ee9
GitHub-Last-Rev: daec402b390e8d1b9882e3fc7c1814ff8d3782c8
GitHub-Pull-Request: golang/go#66588
Reviewed-on: https://go-review.googlesource.com/c/go/+/575156
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>

diff --git a/src/cmd/go/internal/work/action.go b/src/cmd/go/internal/work/action.go
index a59072e591d3549277abad2fc4e73b4e87f71aac..723dc2b12742d1a90d3f7f494e725f070e13e946 100644 (file)
--- a/src/cmd/go/internal/work/action.go
+++ b/src/cmd/go/internal/work/action.go
@@ -384,6 +384,7 @@ func readpkglist(shlibpath string) (pkgs []*load.Package) {
                if err != nil {
                        base.Fatal(fmt.Errorf("failed to open shared library: %v", err))
                }
+               defer f.Close()
                sect := f.Section(".go_export")
                if sect == nil {
                        base.Fatal(fmt.Errorf("%s: missing .go_export section", shlibpath))