[Qemu-devel] [PATCH] qemu-nbd: drop loop which can never loop

[Stefan Hajnoczi]

For some reason nbd_client_thread() has a do..while loop which can never
loop, the condition is bogus because we would take a goto instead.  Drop
the loop.

Reported-by: Dr David Alan Gilbert <davidagilb...@uk.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefa...@linux.vnet.ibm.com>
---
 qemu-nbd.c |   10 ++++------
 1 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/qemu-nbd.c b/qemu-nbd.c
index 155b058..eb61c33 100644
--- a/qemu-nbd.c
+++ b/qemu-nbd.c
@@ -202,12 +202,10 @@ static void *nbd_client_thread(void *arg)
     int ret;
     pthread_t show_parts_thread;
 
-    do {
-        sock = unix_socket_outgoing(sockpath);
-        if (sock == -1) {
-            goto out;
-        }
-    } while (sock == -1);
+    sock = unix_socket_outgoing(sockpath);
+    if (sock == -1) {
+        goto out;
+    }
 
     ret = nbd_receive_negotiate(sock, NULL, &nbdflags,
                                 &size, &blocksize);
-- 
1.7.7.3