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Cluster: set n->slaves to NULL in clusterNodeResetSlaves(). 

The value was otherwise undefined, so next time the node was promoted
again from slave to master, adding a slave to the list of slaves
would likely crash the server or result into undefined behavior.
This commit is contained in:
antirez 2013-12-17 14:50:24 +01:00
parent fda91dbde3
commit 7a666ac419
1 changed files with 1 additions and 0 deletions
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src/cluster.c
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@ -537,6 +537,7 @@ int clusterNodeAddSlave(clusterNode *master, clusterNode *slave) {
void clusterNodeResetSlaves(clusterNode *n) { void clusterNodeResetSlaves(clusterNode *n) {
zfree(n->slaves); zfree(n->slaves);
n->numslaves = 0; n->numslaves = 0;
n->slaves = NULL;
} }
void freeClusterNode(clusterNode *n) { void freeClusterNode(clusterNode *n) {