uml: make three functions static

Make the following three functions static, since they don't need to be global.

arch/um/drivers/mcast_kern.c::mcast_setup()
arch/um/drivers/mconsole_user.c::mconsole_reply_v0()
arch/um/drivers/port_user.c::port_pre_exec()

Acked-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: WANG Cong <wangcong@zeuux.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/um/drivers/port_user.c b/arch/um/drivers/port_user.c
index addd75902656..d269ca387f10 100644
--- a/arch/um/drivers/port_user.c
+++ b/arch/um/drivers/port_user.c
@@ -153,7 +153,7 @@ struct port_pre_exec_data {
         int pipe_fd;
 };
 
-void port_pre_exec(void *arg)
+static void port_pre_exec(void *arg)
 {
         struct port_pre_exec_data *data = arg;