Fix warning in qemu-nbd.c

qemu-nbd.c:349: error: ignoring return value of 'daemon', declared with attribute warn_unused_result

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

diff --git a/qemu-nbd.c b/qemu-nbd.c
index 0af97ca..9101487 100644 (file)
--- a/qemu-nbd.c
+++ b/qemu-nbd.c
@@ -345,8 +345,12 @@ int main(int argc, char **argv)
         pid_t pid;
         int sock;
 
-        if (!verbose)
-            daemon(0, 0);      /* detach client and server */
+        if (!verbose) {
+            /* detach client and server */
+            if (daemon(0, 0) == -1) {
+                errx(errno, "Failed to daemonize");
+            }
+        }
 
         if (socket == NULL) {
             sprintf(sockpath, SOCKET_PATH, basename(device));