unregister_chrdev(): ignore the return value

unregister_chrdev() always returns 0.  There is no need to check the return
value.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Akinobu Mita
2007-07-19 01:47:50 -07:00
committed by Linus Torvalds
parent cb00ea3528
commit 68fc4fabca
9 changed files with 9 additions and 31 deletions

View File

@@ -2684,8 +2684,7 @@ static void __exit ppp_cleanup(void)
if (atomic_read(&ppp_unit_count) || atomic_read(&channel_count))
printk(KERN_ERR "PPP: removing module but units remain!\n");
cardmap_destroy(&all_ppp_units);
if (unregister_chrdev(PPP_MAJOR, "ppp") != 0)
printk(KERN_ERR "PPP: failed to unregister PPP device\n");
unregister_chrdev(PPP_MAJOR, "ppp");
device_destroy(ppp_class, MKDEV(PPP_MAJOR, 0));
class_destroy(ppp_class);
}