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lpm: fix overflow issue
[dpdk.git]
/
lib
/
librte_lpm
/
rte_lpm.c
diff --git
a/lib/librte_lpm/rte_lpm.c
b/lib/librte_lpm/rte_lpm.c
index
983e04b
..
cc51210
100644
(file)
--- a/
lib/librte_lpm/rte_lpm.c
+++ b/
lib/librte_lpm/rte_lpm.c
@@
-298,6
+298,9
@@
rule_add(struct rte_lpm *lpm, uint32_t ip_masked, uint8_t depth,
return rule_index;
}
}
+
+ if (rule_index == lpm->max_rules)
+ return -ENOSPC;
} else {
/* Calculate the position in which the rule will be stored. */
rule_index = 0;