mbuf: prevent setting mempool ops name empty

[dpdk.git] / lib / librte_mbuf / rte_mbuf_pool_ops.c

diff --git a/lib/librte_mbuf/rte_mbuf_pool_ops.c b/lib/librte_mbuf/rte_mbuf_pool_ops.c
index 5722976..f0e87a1 100644 (file)
--- a/lib/librte_mbuf/rte_mbuf_pool_ops.c
+++ b/lib/librte_mbuf/rte_mbuf_pool_ops.c
@@ -14,7 +14,10 @@ rte_mbuf_set_platform_mempool_ops(const char *ops_name)
 {
        const struct rte_memzone *mz;
 
-       if (strlen(ops_name) >= RTE_MEMPOOL_OPS_NAMESIZE)
+       size_t len = strnlen(ops_name, RTE_MEMPOOL_OPS_NAMESIZE);
+       if (len == 0)
+               return -EINVAL;
+       if (len == RTE_MEMPOOL_OPS_NAMESIZE)
                return -ENAMETOOLONG;
 
        mz = rte_memzone_lookup("mbuf_platform_pool_ops");
@@ -51,7 +54,10 @@ rte_mbuf_set_user_mempool_ops(const char *ops_name)
 {
        const struct rte_memzone *mz;
 
-       if (strlen(ops_name) >= RTE_MEMPOOL_OPS_NAMESIZE)
+       size_t len = strnlen(ops_name, RTE_MEMPOOL_OPS_NAMESIZE);
+       if (len == 0)
+               return -EINVAL;
+       if (len == RTE_MEMPOOL_OPS_NAMESIZE)
                return -ENAMETOOLONG;
 
        mz = rte_memzone_lookup("mbuf_user_pool_ops");