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.
Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
---
drivers/tty/amiserial.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/tty/amiserial.c b/drivers/tty/amiserial.c
index 208f573495dc..dfbb974927f2 100644
--- a/drivers/tty/amiserial.c
+++ b/drivers/tty/amiserial.c
@@ -1012,8 +1012,6 @@ static int get_serial_info(struct tty_struct *tty, struct serial_state *state,
{
struct serial_struct tmp;
- if (!retinfo)
- return -EFAULT;
memset(&tmp, 0, sizeof(tmp));
tty_lock(tty);
tmp.line = tty->index;
--
2.7.3
--
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