drivers/char/rocket.c: release_region or error path

There was a release_region() missing on the error path.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c
index 7c79d243acc9..86308830ac42 100644
--- a/drivers/char/rocket.c
+++ b/drivers/char/rocket.c
@@ -2345,7 +2345,7 @@ static int __init rp_init(void)
         ret = tty_register_driver(rocket_driver);
         if (ret < 0) {
                 printk(KERN_ERR "Couldn't install tty RocketPort driver\n");
-                goto err_tty;
+                goto err_controller;
         }
 
 #ifdef ROCKET_DEBUG_OPEN
@@ -2380,6 +2380,9 @@ static int __init rp_init(void)
         return 0;
 err_ttyu:
         tty_unregister_driver(rocket_driver);
+err_controller:
+        if (controller)
+                release_region(controller, 4);
 err_tty:
         put_tty_driver(rocket_driver);
 err: