[dpdk-dev] [PATCH] mbuf: fix leak and errno on pool creation error
Olivier Matz
olivier.matz at 6wind.com
Mon Sep 19 14:34:41 CEST 2016
On error, the mempool object has to be freed, and rte_errno should be a
positive value.
Fixes: 152ca517900b ("mbuf: use default mempool handler from config")
Signed-off-by: Olivier Matz <olivier.matz at 6wind.com>
---
lib/librte_mbuf/rte_mbuf.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/lib/librte_mbuf/rte_mbuf.c b/lib/librte_mbuf/rte_mbuf.c
index 80b1713..72f9280 100644
--- a/lib/librte_mbuf/rte_mbuf.c
+++ b/lib/librte_mbuf/rte_mbuf.c
@@ -173,10 +173,12 @@ rte_pktmbuf_pool_create(const char *name, unsigned n,
if (mp == NULL)
return NULL;
- rte_errno = rte_mempool_set_ops_byname(mp,
- RTE_MBUF_DEFAULT_MEMPOOL_OPS, NULL);
- if (rte_errno != 0) {
+ ret = rte_mempool_set_ops_byname(mp,
+ RTE_MBUF_DEFAULT_MEMPOOL_OPS, NULL);
+ if (ret != 0) {
RTE_LOG(ERR, MBUF, "error setting mempool handler\n");
+ rte_mempool_free(mp);
+ rte_errno = -ret;
return NULL;
}
rte_pktmbuf_pool_init(mp, &mbp_priv);
--
2.8.1
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