Prevent panic in membership updater (#1021)

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Neil Alexander 2020-05-11 18:21:25 +01:00 committed by GitHub
parent 99e0a7dff2
commit 0c892d59fa
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1 changed files with 8 additions and 0 deletions

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@ -16,6 +16,7 @@ package internal
import (
"context"
"errors"
"fmt"
"github.com/matrix-org/dendrite/roomserver/api"
@ -106,6 +107,13 @@ func updateMembership(
return updates, nil
}
if add == nil {
// This shouldn't happen. Returning an error here is better than panicking
// in the membership updater functions later on.
// TODO: Why does this happen to begin with?
return updates, errors.New("add should not be nil")
}
mu, err := updater.MembershipUpdater(targetUserNID)
if err != nil {
return nil, err