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path: root/pkg/rootless/rootless_linux.go
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Diffstat (limited to 'pkg/rootless/rootless_linux.go')
-rw-r--r--pkg/rootless/rootless_linux.go24
1 files changed, 20 insertions, 4 deletions
diff --git a/pkg/rootless/rootless_linux.go b/pkg/rootless/rootless_linux.go
index d7c2de81d..99a0eb729 100644
--- a/pkg/rootless/rootless_linux.go
+++ b/pkg/rootless/rootless_linux.go
@@ -220,7 +220,11 @@ func EnableLinger() (string, error) {
conn, err := dbus.SystemBus()
if err == nil {
- defer conn.Close()
+ defer func() {
+ if err := conn.Close(); err != nil {
+ logrus.Errorf("unable to close dbus connection: %q", err)
+ }
+ }()
}
lingerEnabled := false
@@ -310,13 +314,21 @@ func joinUserAndMountNS(pid uint, pausePid string) (bool, int, error) {
if err != nil {
return false, -1, err
}
- defer userNS.Close()
+ defer func() {
+ if err := userNS.Close(); err != nil {
+ logrus.Errorf("unable to close namespace: %q", err)
+ }
+ }()
mountNS, err := os.Open(fmt.Sprintf("/proc/%d/ns/mnt", pid))
if err != nil {
return false, -1, err
}
- defer userNS.Close()
+ defer func() {
+ if err := mountNS.Close(); err != nil {
+ logrus.Errorf("unable to close namespace: %q", err)
+ }
+ }()
fd, err := getUserNSFirstChild(userNS.Fd())
if err != nil {
@@ -364,7 +376,11 @@ func becomeRootInUserNS(pausePid, fileToRead string, fileOutput *os.File) (bool,
defer errorhandling.CloseQuiet(r)
defer errorhandling.CloseQuiet(w)
- defer w.Write([]byte("0"))
+ defer func() {
+ if _, err := w.Write([]byte("0")); err != nil {
+ logrus.Errorf("failed to write byte 0: %q", err)
+ }
+ }()
pidC := C.reexec_in_user_namespace(C.int(r.Fd()), cPausePid, cFileToRead, fileOutputFD)
pid := int(pidC)