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>

diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c
index 7c79d24..8630883 100644 (file)
--- 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: