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From: Dan Carpenter on 4 Aug 2010 12:40
There was a release_region() missing on the error path.

Signed-off-by: Dan Carpenter <error27(a)gmail.com>

diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c
index 0e29a23..258bc35 100644
--- a/drivers/char/rocket.c
+++ b/drivers/char/rocket.c
@@ -2334,7 +2334,7 @@ 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
@@ -2369,6 +2369,9 @@ 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:
--
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