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authorDaeseok Youn <daeseok.youn@gmail.com>2016-07-06 15:13:14 +0900
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-08-15 19:06:09 +0200
commit18419f77a22ae8d3b9330c83f6d09e0e66d2d755 (patch)
tree1c68c822f2489e4ffd21230f6e6d1915431dd3aa /drivers/staging/dgnc
parentstaging: dgnc: remove redundant local variable for (diff)
downloadlinux-dev-18419f77a22ae8d3b9330c83f6d09e0e66d2d755.tar.xz
linux-dev-18419f77a22ae8d3b9330c83f6d09e0e66d2d755.zip
staging: dgnc: remove redundant variable null check
The unit struct(un_t) was not used in dgnc_tty_hangup(). Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/dgnc')
-rw-r--r--drivers/staging/dgnc/dgnc_tty.c6
1 files changed, 0 insertions, 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);
}