[dpdk-dev] [PATCH 1/3] vhost: fix memory leak

Yuanhan Liu yuanhan.liu at linux.intel.com
Tue Jun 28 05:58:29 CEST 2016


Fix potential memory leak raised by Coverity.

    >>>     Variable "vsocket" going out of scope leaks the storage it
    >>>     points to.

Coverity issue: 127483
Fixes: e623e0c6d8a5 ("vhost: add reconnect ability")

Reported-by: John McNamara <john.mcnamara at intel.com>
Signed-off-by: Yuanhan Liu <yuanhan.liu at linux.intel.com>
---
 lib/librte_vhost/vhost_user/vhost-net-user.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/librte_vhost/vhost_user/vhost-net-user.c b/lib/librte_vhost/vhost_user/vhost-net-user.c
index 94f1b92..90cc127 100644
--- a/lib/librte_vhost/vhost_user/vhost-net-user.c
+++ b/lib/librte_vhost/vhost_user/vhost-net-user.c
@@ -617,8 +617,11 @@ rte_vhost_driver_register(const char *path, uint64_t flags)
 	if ((flags & RTE_VHOST_USER_CLIENT) != 0) {
 		vsocket->reconnect = !(flags & RTE_VHOST_USER_NO_RECONNECT);
 		if (vsocket->reconnect && reconn_tid == 0) {
-			if (vhost_user_reconnect_init() < 0)
+			if (vhost_user_reconnect_init() < 0) {
+				free(vsocket->path);
+				free(vsocket);
 				goto out;
+			}
 		}
 		ret = vhost_user_create_client(vsocket);
 	} else {
-- 
1.9.0



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