From 945b7e4a973ae491b58236706e51360d2fb8e306 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 12 Sep 2018 18:45:29 -0400
Subject: [PATCH] gigaset: don't try to printk userland buffer contents

especially when you've just copied it in...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/isdn/gigaset/interface.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index 600c79b030cdb..f9698c0c3885f 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -206,7 +206,7 @@ static int if_ioctl(struct tty_struct *tty,
 				? -EFAULT : 0;
 			if (retval >= 0) {
 				gigaset_dbg_buffer(DEBUG_IF, "GIGASET_BRKCHARS",
-						   6, (const unsigned char *) arg);
+						   6, buf);
 				retval = cs->ops->brkchars(cs, buf);
 			}
 			break;
-- 
2.39.5