In ipwireless_get_serial_info, struct serial_struct is memset to 0 and
then some members set to 0 explicitly.
Remove the latter as it is obviously superfluous.
And remove the retinfo check against NULL. copy_to_user will take care
of that.
Part of hub6 cleanup series.
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
Cc: Jiri Kosina <jikos@xxxxxxxxxx>
Cc: David Sterba <dsterba@xxxxxxxx>
---
drivers/tty/ipwireless/tty.c | 11 +----------
1 file changed, 1 insertion(+), 10 deletions(-)
diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c
index 345cebb07ae7..2685d59d2724 100644
--- a/drivers/tty/ipwireless/tty.c
+++ b/drivers/tty/ipwireless/tty.c
@@ -252,20 +252,11 @@ static int ipwireless_get_serial_info(struct ipw_tty *tty,
{
struct serial_struct tmp;
- if (!retinfo)
- return (-EFAULT);
-
memset(&tmp, 0, sizeof(tmp));
tmp.type = PORT_UNKNOWN;
tmp.line = tty->index;
- tmp.port = 0;
- tmp.irq = 0;
- tmp.flags = 0;
tmp.baud_base = 115200;
- tmp.close_delay = 0;
- tmp.closing_wait = 0;
- tmp.custom_divisor = 0;
- tmp.hub6 = 0;
+
if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
return -EFAULT;
--
2.8.2
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