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[v2] net/socket: fix coverity issue

Message ID 20171106140546.24643-1-jfreimann@redhat.com
State New
Headers show
Series [v2] net/socket: fix coverity issue | expand

Commit Message

Jens Freimann Nov. 6, 2017, 2:05 p.m. UTC
This fixes coverity issue CID1005339.

Make sure that saddr is not used uninitialized if the
mcast parameter is NULL.

Cc: qemu-stable@nongnu.org
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Jens Freimann <jfreimann@redhat.com>
---
 net/socket.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/net/socket.c b/net/socket.c
index e6b471c63d..09c9b2a5d1 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -373,7 +373,7 @@  static NetSocketState *net_socket_fd_init_dgram(NetClientState *peer,
     net_socket_read_poll(s, true);
 
     /* mcast: save bound address as dst */
-    if (is_connected) {
+    if (is_connected && mcast != NULL) {
         s->dgram_dst = saddr;
         snprintf(nc->info_str, sizeof(nc->info_str),
                  "socket: fd=%d (cloned mcast=%s:%d)",