From 68832b20c92affcbe739ff1f6343516d8b824223 Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Tue, 8 Nov 2016 13:24:55 +0100 Subject: [PATCH] serial: crisv10: fix invalid user-pointer check Drop invalid user-pointer check from TIOCGSERIAL handler. A NULL-pointer can be valid in user space and copy_to_user() takes care of sanity checking. Cc: Mikael Starvik Cc: linux-cris-kernel@axis.com Signed-off-by: Johan Hovold Acked-by: Jesper Nilsson Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/crisv10.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c index 6450a38cb1aa..e92c23470e51 100644 --- a/drivers/tty/serial/crisv10.c +++ b/drivers/tty/serial/crisv10.c @@ -3213,8 +3213,6 @@ get_serial_info(struct e100_serial * info, * should set them to something else than 0. */ - if (!retinfo) - return -EFAULT; memset(&tmp, 0, sizeof(tmp)); tmp.type = info->type; tmp.line = info->line; -- 2.45.2