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authorAkinobu Mita <akinobu.mita@gmail.com>2007-07-19 01:47:50 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-19 10:04:43 -0700
commit68fc4fabca897a09f75f53bac14cdc7a98f52210 (patch)
treec010fa0d091a543a966aad82926d0fb5c2831f1f /drivers/char/viotape.c
parentcb00ea3528eb3c09eae9871d6e7d038776e952e2 (diff)
downloadlinux-68fc4fabca897a09f75f53bac14cdc7a98f52210.tar.gz
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>
Diffstat (limited to 'drivers/char/viotape.c')
-rw-r--r--drivers/char/viotape.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/char/viotape.c b/drivers/char/viotape.c
index db57277117bb..e12275df6ea2 100644
--- a/drivers/char/viotape.c
+++ b/drivers/char/viotape.c
@@ -1098,15 +1098,10 @@ static int chg_state(int index, unsigned char new_state, struct file *file)
 /* Cleanup */
 static void __exit viotap_exit(void)
 {
-	int ret;
-
 	remove_proc_entry("iSeries/viotape", NULL);
 	vio_unregister_driver(&viotape_driver);
 	class_destroy(tape_class);
-	ret = unregister_chrdev(VIOTAPE_MAJOR, "viotape");
-	if (ret < 0)
-		printk(VIOTAPE_KERN_WARN "Error unregistering device: %d\n",
-				ret);
+	unregister_chrdev(VIOTAPE_MAJOR, "viotape");
 	if (viotape_unitinfo)
 		dma_free_coherent(iSeries_vio_dev,
 				sizeof(viotape_unitinfo[0]) * VIOTAPE_MAX_TAPE,