From 6461d31b0b5e9fe79121c1cde300c3e1a3b2a3e5 Mon Sep 17 00:00:00 2001
From: Yunjian Wang <wangyunjian@huawei.com>
Date: Wed, 21 Oct 2020 19:19:03 +0800
Subject: [PATCH] eal: fix leak on device event callback unregister

[ upstream commit c78bd27d4b74a74261b180cb8d5421b919c1ab9a ]

The event_cb->dev_name is not freed when freeing event_cb,
and this causes a memory leak.

Fixes: a753e53d517b ("eal: add device event monitor framework")

Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
Acked-by: Jeff Guo <jia.guo@intel.com>
Acked-by: David Marchand <david.marchand@redhat.com>
---
 lib/librte_eal/common/eal_common_dev.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/librte_eal/common/eal_common_dev.c b/lib/librte_eal/common/eal_common_dev.c
index 9e4f09d83e..363a2ca95e 100644
--- a/lib/librte_eal/common/eal_common_dev.c
+++ b/lib/librte_eal/common/eal_common_dev.c
@@ -526,6 +526,7 @@ rte_dev_event_callback_unregister(const char *device_name,
 		 */
 		if (event_cb->active == 0) {
 			TAILQ_REMOVE(&dev_event_cbs, event_cb, next);
+			free(event_cb->dev_name);
 			free(event_cb);
 			ret++;
 		} else {