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, 4 deletions

diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c
index 93d0bb8b4c0f..4a80b2f864e0 100644
--- a/drivers/char/stallion.c
+++ b/drivers/char/stallion.c
@@ -4795,7 +4795,6 @@ static void __exit stallion_module_exit(void)
 {
         struct stlbrd *brdp;
         unsigned int i, j;
-        int retval;
 
         pr_debug("cleanup_module()\n");
 
@@ -4818,9 +4817,7 @@ static void __exit stallion_module_exit(void)
 
         for (i = 0; i < 4; i++)
                 class_device_destroy(stallion_class, MKDEV(STL_SIOMEMMAJOR, i));
-        if ((retval = unregister_chrdev(STL_SIOMEMMAJOR, "staliomem")))
-                printk("STALLION: failed to un-register serial memory device, "
-                        "errno=%d\n", -retval);
+        unregister_chrdev(STL_SIOMEMMAJOR, "staliomem");
         class_destroy(stallion_class);
 
         pci_unregister_driver(&stl_pcidriver);