Remove redundant else/return block
Remove redundant else/return block

Fixes #1741

erwin00776/redis-2.8-optimize,erwin00776/redis-2.8-optimize,sidsen/redis,adamweixuan/redis,kolonse/redis,sidsen/redis,upsoft/redis,liqiang199105/redis,miminus/redis,StartTheShift/redis-shift,jacklee0810/redis,kts12345/redis,jaambee/redis,kolonse/redis,adamweixuan/redis,Cybermaxs/redis,alpha8/redis,quangnguyen90/redis,kts12345/redis,damy/redis,ideaar/redis,janeasystems/redis,Cybermaxs/redis,fanxu/redis,damy/redis,jacklee0810/redis,jqk6/redis,Jonavin/redis,ScottKaiGu/redis,fanxu/redis,jaambee/redis,damy/redis,kts12345/redis,fanxu/redis,alpha8/redis,hanmichael/redis,StartTheShift/redis-shift,laurencee/redis,quangnguyen90/redis,liqiang199105/redis,LittlePeng/redis,ideaar/redis,ideaar/redis,LittlePeng/redis,Jonavin/redis,upsoft/redis,sidsen/redis,upsoft/redis,shanegxxiao/redis,adamweixuan/redis,kolonse/redis,adamweixuan/redis,jacklee0810/redis,sidsen/redis,Cybermaxs/redis,enginekit/redis,liqiang199105/redis,nandhanurrevanth/redis,jqk6/redis,nandhanurrevanth/redis,jqk6/redis,quangnguyen90/redis,shanegxxiao/redis,erwin00776/redis-2.8-optimize,hanmichael/redis,jqk6/redis,liqiang199105/redis,jaambee/redis,ideaar/redis,enginekit/redis,miminus/redis,kolonse/redis,miminus/redis,sidsen/redis,enginekit/redis,jacklee0810/redis,miminus/redis,ScottKaiGu/redis,Jonavin/redis,LittlePeng/redis,StartTheShift/redis-shift,Cybermaxs/redis,nandhanurrevanth/redis,quangnguyen90/redis,janeasystems/redis,janeasystems/redis,quangnguyen90/redis,sidsen/redis,hanmichael/redis,janeasystems/redis,jqk6/redis,hanmichael/redis,Jonavin/redis,enginekit/redis,jaambee/redis,ScottKaiGu/redis,nandhanurrevanth/redis,laurencee/redis,damy/redis,jaambee/redis,erwin00776/redis-2.8-optimize,shanegxxiao/redis,fanxu/redis,laurencee/redis,kts12345/redis,alpha8/redis,kts12345/redis,alpha8/redis,laurencee/redis,ScottKaiGu/redis,liqiang199105/redis,janeasystems/redis,shanegxxiao/redis,jacklee0810/redis,miminus/redis,alpha8/redis,hanmichael/redis,kolonse/redis,Cybermaxs/redis,laurencee/redis,ScottKaiGu/redis,upsoft/redis,nandhanurrevanth/redis,shanegxxiao/redis,Jonavin/redis,ideaar/redis,enginekit/redis,upsoft/redis,adamweixuan/redis,damy/redis