stack: check flags on creation for future proofing

[dpdk.git] / lib / librte_stack / rte_stack.c

diff --git a/lib/librte_stack/rte_stack.c b/lib/librte_stack/rte_stack.c
index d19824f..e58fa54 100644 (file)
--- a/lib/librte_stack/rte_stack.c
+++ b/lib/librte_stack/rte_stack.c
@@ -59,6 +59,11 @@ rte_stack_create(const char *name, unsigned int count, int socket_id,
        unsigned int sz;
        int ret;
 
+       if (flags & ~(RTE_STACK_F_LF)) {
+               STACK_LOG_ERR("Unsupported stack flags %#x\n", flags);
+               return NULL;
+       }
+
 #ifdef RTE_ARCH_64
        RTE_BUILD_BUG_ON(sizeof(struct rte_stack_lf_head) != 16);
 #else