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/staging/greybus/uart.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/staging/greybus/uart.c b/drivers/staging/greybus/uart.c
index 2633d2bfb1b4..15563e2b21b1 100644
--- a/drivers/staging/greybus/uart.c
+++ b/drivers/staging/greybus/uart.c
@@ -623,9 +623,6 @@ static int get_serial_info(struct gb_tty *gb_tty,
{
struct serial_struct tmp;
- if (!info)
- return -EINVAL;
-
memset(&tmp, 0, sizeof(tmp));
tmp.flags = ASYNC_LOW_LATENCY | ASYNC_SKIP_TEST;
tmp.type = PORT_16550A;
--
2.7.3
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