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ensure unlock on error

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This commit is contained in:
shannonwells 2020-04-22 13:58:26 -07:00
parent 28c5697578
commit f0fec60841
1 changed files with 5 additions and 2 deletions
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7
paychmgr/simple.go
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@ -116,7 +116,7 @@ func (pm *Manager) waitForAddFundsMsg(ctx context.Context, mcid cid.Cid) {
}
func (pm *Manager) GetPaych(ctx context.Context, from, to address.Address, ensureFree types.BigInt) (address.Address, cid.Cid, error) {
pm.store.lk.Lock()
pm.store.lk.Lock() // unlock only on err; wait funcs will defer unlock
var mcid cid.Cid
ch, err := pm.store.findChan(func(ci *ChannelInfo) bool {
if ci.Direction != DirOutbound {
@ -125,6 +125,7 @@ func (pm *Manager) GetPaych(ctx context.Context, from, to address.Address, ensur
return ci.Control == from && ci.Target == to
})
if err != nil {
pm.store.lk.Unlock()
return address.Undef, cid.Undef, xerrors.Errorf("findChan: %w", err)
}
if ch != address.Undef {
@ -133,6 +134,8 @@ func (pm *Manager) GetPaych(ctx context.Context, from, to address.Address, ensur
} else {
mcid, err = pm.createPaych(ctx, from, to, ensureFree)
}
if err != nil {
pm.store.lk.Unlock()
}
return ch, mcid, err
}