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Merge pull request #29672 from lixiaobing10051267/masterLen

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Automatic merge from submit-queue

Add handling empty index key that may cause panic issue

if len(indexKeys) == 0, "return indexKeys[0]" will cause unexpected result.

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Kubernetes Submit Queue 2016-08-10 14:29:45 -07:00 committed by GitHub
commit 48b7aca2c9
1 changed files with 3 additions and 0 deletions
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3
pkg/client/cache/index.go vendored
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@ -55,6 +55,9 @@ func IndexFuncToKeyFuncAdapter(indexFunc IndexFunc) KeyFunc {
if len(indexKeys) > 1 {
return "", fmt.Errorf("too many keys: %v", indexKeys)
}
if len(indexKeys) == 0 {
return "", fmt.Errorf("unexpected empty indexKeys")
}
return indexKeys[0], nil
}
}