3 files changed, 6 insertions, 11 deletions

diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 1fe0dcd9f464..73f9652b2ee9 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -1387,15 +1387,6 @@ int io_thread(void *arg)
                         printk("io_thread - write failed, fd = %d, err = %d\n",
                                kernel_fd, -n);
         }
-}
 
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
+        return 0;
+}
diff --git a/arch/um/kernel/sigio_user.c b/arch/um/kernel/sigio_user.c
index 48b1f644b9a6..62e5cfdf2188 100644
--- a/arch/um/kernel/sigio_user.c
+++ b/arch/um/kernel/sigio_user.c
@@ -216,6 +216,8 @@ static int write_sigio_thread(void *unused)
                                        "err = %d\n", -n);
                 }
         }
+
+        return 0;
 }
 
 static int need_poll(int n)
diff --git a/arch/um/os-Linux/aio.c b/arch/um/os-Linux/aio.c
index ffa759addd3c..0b78bb7a994a 100644
--- a/arch/um/os-Linux/aio.c
+++ b/arch/um/os-Linux/aio.c
@@ -210,6 +210,8 @@ static int not_aio_thread(void *arg)
                         printk("not_aio_thread - write failed, fd = %d, "
                                "err = %d\n", aio_req_fd_r, -err);
         }
+
+        return 0;
 }
 
 static int aio_pid = -1;