[Qemu-devel] [PATCH] util/qemu-sockets: fix keep_alive handling in inet_connect_saddr

[Vladimir Sementsov-Ogievskiy]

In "if (saddr->keep_alive) {" we may already be on error path, with
invalid sock < 0. Fix it by returning error earlier.

Reported-by: Coverity (CID 1405300)
Suggested-by: Peter Maydell <peter.mayd...@linaro.org>
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com>
---
 util/qemu-sockets.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/util/qemu-sockets.c b/util/qemu-sockets.c
index 98ff3a1cce..bcc06d0e01 100644
--- a/util/qemu-sockets.c
+++ b/util/qemu-sockets.c
@@ -461,12 +461,13 @@ int inet_connect_saddr(InetSocketAddress *saddr, Error 
**errp)
         }
     }
 
+    freeaddrinfo(res);
+
     if (sock < 0) {
         error_propagate(errp, local_err);
+        return sock;
     }
 
-    freeaddrinfo(res);
-
     if (saddr->keep_alive) {
         int val = 1;
         int ret = qemu_setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE,
-- 
2.18.0