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>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c
index 83c7258d3580..6005b5225772 100644
--- a/drivers/char/ip2/ip2main.c
+++ b/drivers/char/ip2/ip2main.c
@@ -425,9 +425,7 @@ cleanup_module(void)
                 printk(KERN_ERR "IP2: failed to unregister tty driver (%d)\n", err);
         }
         put_tty_driver(ip2_tty_driver);
-        if ( ( err = unregister_chrdev ( IP2_IPL_MAJOR, pcIpl ) ) ) {
-                printk(KERN_ERR "IP2: failed to unregister IPL driver (%d)\n", err);
-        }
+        unregister_chrdev(IP2_IPL_MAJOR, pcIpl);
         remove_proc_entry("ip2mem", &proc_root);
 
         // free memory