2
0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-16 09:13:55 +08:00

tty: hvcs: Drop unnecessary if block

If hvcs_probe() succeeded dev_set_drvdata() is called with a non-NULL
value, and if hvcs_probe() failed hvcs_remove() isn't called.

So there is no way dev_get_drvdata() can return NULL in hvcs_remove() and
the check can just go away.

Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20210114175718.137483-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Uwe Kleine-König 2021-01-14 18:57:16 +01:00 committed by Greg Kroah-Hartman
parent 9335e23ddc
commit c24dc4bab2

View File

@ -825,9 +825,6 @@ static int hvcs_remove(struct vio_dev *dev)
unsigned long flags;
struct tty_struct *tty;
if (!hvcsd)
return -ENODEV;
/* By this time the vty-server won't be getting any more interrupts */
spin_lock_irqsave(&hvcsd->lock, flags);