fix build failure in nbd_read_reply_entry()

travis builds fail at HEAD at rc3 master with

  block/nbd-client.c: In function ‘nbd_read_reply_entry’:
  block/nbd-client.c:110:8: error: ‘ret’ may be used uninitialized in this function [-Werror=uninitialized]

fix it by initializing 'ret' to 0

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/block/nbd-client.c b/block/nbd-client.c
index 422ecb43071e6ada0e819200075a5e2cb25c2d39..02c8e207ef7bfededcba2b7337dfbc291f80f40b 100644 (file)
--- a/block/nbd-client.c
+++ b/block/nbd-client.c
@@ -70,7 +70,7 @@ static coroutine_fn void nbd_read_reply_entry(void *opaque)
 {
     NBDClientSession *s = opaque;
     uint64_t i;
-    int ret;
+    int ret = 0;
     Error *local_err = NULL;
 
     while (!s->quit) {