[dpdk-dev,v4,01/11] mempool: fix memhdr leak when no objects are populated

Message ID 1523885080-17168-2-git-send-email-arybchenko@solarflare.com (mailing list archive)
State Accepted, archived
Delegated to: Thomas Monjalon
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Andrew Rybchenko April 16, 2018, 1:24 p.m. UTC
  Fixes: 84121f197187 ("mempool: store memory chunks in a list")
Cc: stable@dpdk.org

Suggested-by: Olivier Matz <olivier.matz@6wind.com>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>
---
v3 -> v4:
 - none

v2 -> v3:
 - none

v1 -> v2:
 - added in v2 as discussed in [1]

[1] https://dpdk.org/ml/archives/dev/2018-March/093329.html

 lib/librte_mempool/rte_mempool.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)
  

Patch

diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c
index 103c015..3b31a55 100644
--- a/lib/librte_mempool/rte_mempool.c
+++ b/lib/librte_mempool/rte_mempool.c
@@ -421,12 +421,18 @@  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