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fix nil pointer dereference (#13221)

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This commit is contained in:
Mitsuhiro Tanda 2018-09-11 19:53:39 +09:00 committed by Torkel Ödegaard
parent 2936e34d75
commit 28250271cc
1 changed files with 3 additions and 0 deletions
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3
pkg/tsdb/cloudwatch/metric_find_query.go
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@ -466,6 +466,9 @@ func (e *CloudWatchExecutor) handleGetEc2InstanceAttribute(ctx context.Context,
return nil, errors.New("invalid attribute path")
}
v = v.FieldByName(key)
if !v.IsValid() {
return nil, errors.New("invalid attribute path")
}
}
if attr, ok := v.Interface().(*string); ok {
data = *attr