[dpdk-stable] patch 'mempool: fix leak when no objects are populated' has been queued to stable release 18.02.2

[luca.boccassi at gmail.com]

Hi,

FYI, your patch has been queued to stable release 18.02.2

Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 05/02/18. So please
shout if anyone has objections.

Thanks.

Luca Boccassi

---
>From a9640338bdc7ef5fc85d445d0b99b562006beb6b Mon Sep 17 00:00:00 2001
From: Andrew Rybchenko <arybchenko at solarflare.com>
Date: Mon, 16 Apr 2018 14:24:30 +0100
Subject: [PATCH] mempool: fix leak when no objects are populated

[ upstream commit 25e6755056eaba45921b898b9986af68277ac6ac ]

Fixes: 84121f197187 ("mempool: store memory chunks in a list")

Suggested-by: Olivier Matz <olivier.matz at 6wind.com>
Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
Acked-by: Olivier Matz <olivier.matz at 6wind.com>
---
 lib/librte_mempool/rte_mempool.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c
index 54f7f4ba4..80bf941c9 100644
--- a/lib/librte_mempool/rte_mempool.c
+++ b/lib/librte_mempool/rte_mempool.c
@@ -408,12 +408,18 @@ rte_mempool_populate_iova(struct rte_mempool *mp, char *vaddr,
 	}
 
 	/* not enough room to store one object */
-	if (i == 0)
-		return -EINVAL;
+	if (i == 0) {
+		ret = -EINVAL;
+		goto fail;
+	}
 
 	STAILQ_INSERT_TAIL(&mp->mem_list, memhdr, next);
 	mp->nb_mem_chunks++;
 	return i;
+
+fail:
+	rte_free(memhdr);
+	return ret;
 }
 
 int
-- 
2.14.2