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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)
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,