usb: u132-hcd: fix resource leak

if platform_driver_register fails, cleanup the allocated resource
gracefully.

Signed-off-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c
index 934584f0a20a..6343fbacd244 100644
--- a/drivers/usb/host/u132-hcd.c
+++ b/drivers/usb/host/u132-hcd.c
@@ -3204,6 +3204,9 @@ static int __init u132_hcd_init(void)
         printk(KERN_INFO "driver %s\n", hcd_name);
         workqueue = create_singlethread_workqueue("u132");
         retval = platform_driver_register(&u132_platform_driver);
+        if (retval)
+                destroy_workqueue(workqueue);
+
         return retval;
 }