From 18419f77a22ae8d3b9330c83f6d09e0e66d2d755 Mon Sep 17 00:00:00 2001 From: Daeseok Youn Date: Wed, 6 Jul 2016 15:13:14 +0900 Subject: [PATCH] staging: dgnc: remove redundant variable null check The unit struct(un_t) was not used in dgnc_tty_hangup(). Signed-off-by: Daeseok Youn Signed-off-by: Greg Kroah-Hartman --- drivers/staging/dgnc/dgnc_tty.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c index 13870413c7b6..b33b07c6fd68 100644 --- a/drivers/staging/dgnc/dgnc_tty.c +++ b/drivers/staging/dgnc/dgnc_tty.c @@ -1289,15 +1289,9 @@ static int dgnc_block_til_ready(struct tty_struct *tty, */ static void dgnc_tty_hangup(struct tty_struct *tty) { - struct un_t *un; - if (!tty || tty->magic != TTY_MAGIC) return; - un = tty->driver_data; - if (!un || un->magic != DGNC_UNIT_MAGIC) - return; - /* flush the transmit queues */ dgnc_tty_flush_buffer(tty); } -- 2.20.1