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mxser: remove tty->driver_data NULL check
author
Jiri Slaby
<jslaby@suse.cz>
Thu, 18 Nov 2021 07:31:13 +0000
(08:31 +0100)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Thu, 25 Nov 2021 17:33:21 +0000
(18:33 +0100)
Noone sets tty->driver_data to NULL in the driver, so there is no point
to check that in mxser_close(). Remove the check.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link:
https://lore.kernel.org/r/20211118073125.12283-8-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/mxser.c
patch
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diff --git
a/drivers/tty/mxser.c
b/drivers/tty/mxser.c
index
6e5e1c7
..
6b47a06
100644
(file)
--- a/
drivers/tty/mxser.c
+++ b/
drivers/tty/mxser.c
@@
-905,8
+905,6
@@
static void mxser_close(struct tty_struct *tty, struct file *filp)
struct mxser_port *info = tty->driver_data;
struct tty_port *port = &info->port;
- if (info == NULL)
- return;
if (tty_port_close_start(port, tty, filp) == 0)
return;
mutex_lock(&port->mutex);