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[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>
hifive-unleashed-5.1
Jiri Slaby 2006-12-08 02:38:26 -08:00 committed by Linus Torvalds
parent 171d3a8678
commit ead568c9cd
1 changed files with 3 additions and 6 deletions
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9
drivers/char/mxser_new.c
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@ -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)