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Do not print the word nil in a log.

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Because it doesn't mean anything.

Signed-off-by: David Calavera <david.calavera@gmail.com>
This commit is contained in:
David Calavera 2015-09-02 11:18:01 +02:00 committed by Madhu Venugopal
parent 94453a45cb
commit d216db6ef2
1 changed files with 9 additions and 9 deletions
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18
libnetwork/osl/namespace_linux.go
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@ -244,13 +244,8 @@ func (n *networkNamespace) InvokeFunc(f func()) error {
}) })
} }
func getLink() string { func getLink() (string, error) {
l, err := os.Readlink(fmt.Sprintf("/proc/%d/task/%d/ns/net", os.Getpid(), syscall.Gettid())) return os.Readlink(fmt.Sprintf("/proc/%d/task/%d/ns/net", os.Getpid(), syscall.Gettid()))
if err != nil {
return fmt.Sprintf("(nil: %v)", err)
}
return l
} }
func nsInit() { func nsInit() {
@ -266,8 +261,13 @@ func InitOSContext() func() {
runtime.LockOSThread() runtime.LockOSThread()
nsOnce.Do(nsInit) nsOnce.Do(nsInit)
if err := netns.Set(initNs); err != nil { if err := netns.Set(initNs); err != nil {
log.Errorf("failed to set to initial namespace, link %s, initns fd %d: %v", linkInfo, linkErr := getLink()
getLink(), initNs, err) if linkErr != nil {
linkInfo = linkErr.Error()
}
log.Errorf("failed to set to initial namespace, %v, initns fd %d: %v",
linkInfo, initNs, err)
} }
return runtime.UnlockOSThread return runtime.UnlockOSThread