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Potential fix to an edge case nil pointer

This commit is contained in:
Qian Wang 2019-08-09 10:36:27 +01:00
parent af0a356000
commit abc83a9190
1 changed files with 6 additions and 2 deletions
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8
internal/multiplex/switchboard.go
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@ -76,8 +76,12 @@ func (sb *switchboard) send(data []byte, connId *uint32) (int, error) {
return 0, errBrokenSwitchboard return 0, errBrokenSwitchboard
} }
newConnId := rand.Intn(len(sb.conns)) newConnId := rand.Intn(len(sb.conns))
conn = sb.conns[uint32(newConnId)] conn, ok = sb.conns[uint32(newConnId)]
return conn.Write(data) if !ok {
return 0, errBrokenSwitchboard
} else {
return conn.Write(data)
}
} }
} }