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authorJiri Slaby <jirislaby@gmail.com>2006-12-08 02:38:26 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-08 08:28:54 -0800
commitead568c9cdab2592abdbd1f023931665cc24b5db (patch)
treeffb25b4752844881b87749e483f76e1648e0a5d1 /drivers/char/mxser_new.c
parent171d3a86788eef4f751b88265bac393c3232dbdd (diff)
downloadtalos-obmc-linux-ead568c9cdab2592abdbd1f023931665cc24b5db.tar.gz
talos-obmc-linux-ead568c9cdab2592abdbd1f023931665cc24b5db.zip
[PATCH] Char: mxser_new, don't check tty_unregister retval
Like other drivers silently unregister_tty_driver and put_tty_driver. It shouldn't be busy when module release function is called, since we are not bsd, no refs shouldn't be held. Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/char/mxser_new.c')
-rw-r--r--drivers/char/mxser_new.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/char/mxser_new.c b/drivers/char/mxser_new.c
index 7da717730ac7..47af0bba5240 100644
--- a/drivers/char/mxser_new.c
+++ b/drivers/char/mxser_new.c
@@ -2994,15 +2994,12 @@ static int __init mxser_module_init(void)
static void __exit mxser_module_exit(void)
{
- int i, err;
+ unsigned int i;
pr_debug("Unloading module mxser ...\n");
- err = tty_unregister_driver(mxvar_sdriver);
- if (!err)
- put_tty_driver(mxvar_sdriver);
- else
- printk(KERN_ERR "Couldn't unregister MOXA Smartio/Industio family serial driver\n");
+ tty_unregister_driver(mxvar_sdriver);
+ put_tty_driver(mxvar_sdriver);
for (i = 0; i < MXSER_BOARDS; i++)
if (mxser_boards[i].board_type != -1)
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