On Thu, Jun 25, 2015 at 09:58:51AM -0400, Benjamin Romer wrote:
> From: Erik Arfvidson <erik.arfvid...@unisys.com>
>
<snip>
> +static int
> +visorhid_init(void)
> +{
> + int rc = 0;
> +
> + spin_lock_init(&devnopool_lock);
> + dev_no_pool = kzalloc(BITS_TO_LONGS(MAXDEVICES), GFP_KERNEL);
> + if (!dev_no_pool) {
> + rc = -ENOMEM;
> + goto cleanups;
> + }
> + visorbus_register_visor_driver(&visorhid_driver);
> +cleanups:
> + if (rc < 0)
> + visorhid_cleanup_guts();
This will be true only if kzalloc fails. And if kzalloc fails then the
visorhid_driver is still not registered. But in the cleanups you are
calling visorhid_cleanup_guts() which will try to unregister the driver
and that should generate a warning by driver_unregister as we are trying
to unregister a driver which is not yet registerd.
regards
sudip
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