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Fix race in Statistics

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Signed-off-by: Alexander Morozov <lk4d4@docker.com>
This commit is contained in:
Alexander Morozov 2016-02-29 09:45:15 -08:00
parent 2ffd4a9011
commit 0eb01bbbee
1 changed files with 5 additions and 2 deletions
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7
libnetwork/sandbox.go
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@ -142,12 +142,15 @@ func (sb *sandbox) Labels() map[string]interface{} {
func (sb *sandbox) Statistics() (map[string]*types.InterfaceStatistics, error) { func (sb *sandbox) Statistics() (map[string]*types.InterfaceStatistics, error) {
m := make(map[string]*types.InterfaceStatistics) m := make(map[string]*types.InterfaceStatistics)
if sb.osSbox == nil { sb.Lock()
osb := sb.osSbox
sb.Unlock()
if osb == nil {
return m, nil return m, nil
} }
var err error var err error
for _, i := range sb.osSbox.Info().Interfaces() { for _, i := range osb.Info().Interfaces() {
if m[i.DstName()], err = i.Statistics(); err != nil { if m[i.DstName()], err = i.Statistics(); err != nil {
return m, err return m, err
} }