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fix potential null deref

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Sebastien Blot 2022-11-28 13:53:22 +01:00 committed by lperdereau
parent 47d85e36d2
commit 3f56a0759f
1 changed files with 6 additions and 2 deletions
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8
pkg/acquisition/modules/loki/loki.go
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@ -282,6 +282,10 @@ func (l *LokiSource) StreamingAcquisition(out chan types.Event, t *tomb.Tomb) er
for { for {
select { select {
case resp := <-respChan: case resp := <-respChan:
if resp == nil {
ll.Warnf("got nil response from loki tail")
continue
}
if len(resp.DroppedEntries) > 0 { if len(resp.DroppedEntries) > 0 {
ll.Warnf("%d entries dropped from loki response", len(resp.DroppedEntries)) ll.Warnf("%d entries dropped from loki response", len(resp.DroppedEntries))
} }
@ -299,14 +303,14 @@ func (l *LokiSource) StreamingAcquisition(out chan types.Event, t *tomb.Tomb) er
} }
func (l *LokiSource) CanRun() error { func (l *LokiSource) CanRun() error {
return nil // it's ok, even BSD can use Loki return nil
} }
func (l *LokiSource) Dump() interface{} { func (l *LokiSource) Dump() interface{} {
return l return l
} }
//SupportedModes returns the supported modes by the acquisition module // SupportedModes returns the supported modes by the acquisition module
func (l *LokiSource) SupportedModes() []string { func (l *LokiSource) SupportedModes() []string {
return []string{configuration.TAIL_MODE, configuration.CAT_MODE} return []string{configuration.TAIL_MODE, configuration.CAT_MODE}
} }