Currently, a mempool can be created if the number of
objects is zero. However, in this scenario,
rte_mempool_create should return NULL,
as the mempool created is useless otherwise.
Signed-off-by: Pablo de Lara <pablo.de.lara.gua...@intel.com>
---
lib/librte_mempool/rte_mempool.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c
index 8c8b9f809..a24a14887 100644
--- a/lib/librte_mempool/rte_mempool.c
+++ b/lib/librte_mempool/rte_mempool.c
@@ -916,6 +916,12 @@ rte_mempool_create_empty(const char *name, unsigned n,
unsigned elt_size,
mempool_list = RTE_TAILQ_CAST(rte_mempool_tailq.head, rte_mempool_list);
+ /* asked for zero items */
+ if (n == 0) {
+ rte_errno = EINVAL;
+ return NULL;
+ }
+
/* asked cache too big */
if (cache_size > RTE_MEMPOOL_CACHE_MAX_SIZE ||
CALC_CACHE_FLUSHTHRESH(cache_size) > n) {
--
2.17.1
