Bump github.com/containers/storage from 1.20.2 to 1.21.0

Bumps [github.com/containers/storage](https://github.com/containers/storage) from 1.20.2 to 1.21.0.
- [Release notes](https://github.com/containers/storage/releases)
- [Changelog](https://github.com/containers/storage/blob/master/docs/containers-storage-changes.md)
- [Commits](https://github.com/containers/storage/compare/v1.20.2...v1.21.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/vendor/github.com/opencontainers/selinux/pkg/pwalk/pwalk.go b/vendor/github.com/opencontainers/selinux/pkg/pwalk/pwalk.go
index 2ee0d0150..63fde1842 100644
--- a/vendor/github.com/opencontainers/selinux/pkg/pwalk/pwalk.go
+++ b/vendor/github.com/opencontainers/selinux/pkg/pwalk/pwalk.go
@@ -48,7 +48,11 @@ func WalkN(root string, walkFn WalkFunc, num int) error {
 	errCh := make(chan error, 1) // get the first error, ignore others
 
 	// Start walking a tree asap
-	var err error
+	var (
+		err error
+		wg  sync.WaitGroup
+	)
+	wg.Add(1)
 	go func() {
 		err = filepath.Walk(root, func(p string, info os.FileInfo, err error) error {
 			if err != nil {
@@ -68,9 +72,9 @@ func WalkN(root string, walkFn WalkFunc, num int) error {
 		if err == nil {
 			close(files)
 		}
+		wg.Done()
 	}()
 
-	var wg sync.WaitGroup
 	wg.Add(num)
 	for i := 0; i < num; i++ {
 		go func() {