diff --git a/[refs] b/[refs]
index d7e220755d42..fe60a233f138 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8ab92cbdb37b87d4fda4c2cb1c0f586856c6c64a
+refs/heads/master: 2b5d20db81276149d70db02be876511137a64b7f
diff --git a/trunk/drivers/staging/csr/firmware.c b/trunk/drivers/staging/csr/firmware.c
index dc6a04db265a..b6d8a6e52915 100644
--- a/trunk/drivers/staging/csr/firmware.c
+++ b/trunk/drivers/staging/csr/firmware.c
@@ -286,7 +286,7 @@ uf_run_unifihelper(unifi_priv_t *priv)
 
     unifi_trace(priv, UDBG2, "running %s %s %s\n", argv[0], argv[1], argv[2]);
 
-    r = call_usermodehelper(argv[0], argv, envp, 0);
+    r = call_usermodehelper(argv[0], argv, envp, UMH_WAIT_EXEC);
 
     return r;
 #else