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net: simplify nested if-blocks
Change-Id: I32e1829c955a48d8c4566430c13679e237bb0611 Reviewed-on: https://go-review.googlesource.com/c/148337 Run-TryBot: Mikio Hara <mikioh.public.networking@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
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@ -223,15 +223,13 @@ func (zc *ipv6ZoneCache) name(index int) string {
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zoneCache.RLock()
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name, ok := zoneCache.toName[index]
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zoneCache.RUnlock()
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if !ok {
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if !updated {
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zoneCache.update(nil, true)
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zoneCache.RLock()
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name, ok = zoneCache.toName[index]
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zoneCache.RUnlock()
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}
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if !ok && !updated {
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zoneCache.update(nil, true)
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zoneCache.RLock()
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name, ok = zoneCache.toName[index]
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zoneCache.RUnlock()
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}
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if !ok {
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if !ok { // last resort
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name = uitoa(uint(index))
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}
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return name
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@ -245,15 +243,13 @@ func (zc *ipv6ZoneCache) index(name string) int {
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zoneCache.RLock()
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index, ok := zoneCache.toIndex[name]
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zoneCache.RUnlock()
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if !ok {
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if !updated {
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zoneCache.update(nil, true)
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zoneCache.RLock()
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index, ok = zoneCache.toIndex[name]
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zoneCache.RUnlock()
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}
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if !ok && !updated {
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zoneCache.update(nil, true)
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zoneCache.RLock()
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index, ok = zoneCache.toIndex[name]
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zoneCache.RUnlock()
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}
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if !ok {
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if !ok { // last resort
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index, _, _ = dtoi(name)
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}
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return index
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