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fix cmdInfo nil pointer panic

This commit is contained in:
zezhou.yu 2016-12-08 01:34:22 +08:00
parent 854c88a72c
commit fb584d25db
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1 changed files with 4 additions and 1 deletions
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5
cluster.go
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@ -1,6 +1,7 @@
package redis package redis
import ( import (
"fmt"
"math/rand" "math/rand"
"sync" "sync"
"sync/atomic" "sync/atomic"
@ -371,7 +372,9 @@ func (c *ClusterClient) cmdSlotAndNode(state *clusterState, cmd Cmder) (int, *cl
return -1, node, err return -1, node, err
} }
slot := hashtag.Slot(firstKey) slot := hashtag.Slot(firstKey)
if cmdInfo == nil {
return -1, nil, internal.RedisError(fmt.Sprintf("cmdInfo of %s is nil", cmd.arg(0)))
}
if cmdInfo.ReadOnly && c.opt.ReadOnly { if cmdInfo.ReadOnly && c.opt.ReadOnly {
if c.opt.RouteByLatency { if c.opt.RouteByLatency {
node, err := state.slotClosestNode(slot) node, err := state.slotClosestNode(slot)