[dpdk-stable] [PATCH] ipc: unlock on failure

[Aaron Conole]

Reported by Coverity.

Fixes: a2a06860b8c4 ("ipc: fix memory leak on request failure")
Cc: Herakliusz Lipiec <herakliusz.lipiec at intel.com>
Cc: stable at dpdk.org
Cc: Anatoly Burakov <anatoly.burakov at intel.com>
Signed-off-by: Aaron Conole <aconole at redhat.com>
---
 lib/librte_eal/common/eal_common_proc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/librte_eal/common/eal_common_proc.c b/lib/librte_eal/common/eal_common_proc.c
index d23728604..3498e6b07 100644
--- a/lib/librte_eal/common/eal_common_proc.c
+++ b/lib/librte_eal/common/eal_common_proc.c
@@ -1005,8 +1005,10 @@ rte_mp_request_sync(struct rte_mp_msg *req, struct rte_mp_reply *reply,
 		/* unlocks the mutex while waiting for response,
 		 * locks on receive
 		 */
-		if (mp_request_sync(path, req, reply, &end))
+		if (mp_request_sync(path, req, reply, &end)) {
+			pthread_mutex_unlock(&pending_requests.lock);
 			goto err;
+		}
 	}
 	pthread_mutex_unlock(&pending_requests.lock);
 	/* unlock the directory */
-- 
2.19.1