Re: [take17 1/4] kevent: Core files.

From: shaw
Date: Fri Sep 08 2006 - 00:02:24 EST


> +static int __devinit kevent_user_init(void)
> +{
> + int err = 0;
> +
> + kevent_cache = kmem_cache_create("kevent_cache",
> + sizeof(struct kevent), 0, SLAB_PANIC, NULL, NULL);
> +
> + err = misc_register(&kevent_miscdev);
> + if (err) {
> + printk(KERN_ERR "Failed to register kevent miscdev: err=%d.\n", err);
> + goto err_out_exit;
> + }
> +
> + printk("KEVENT subsystem has been successfully registered.\n");
> +
> + return 0;
> +
> +err_out_exit:
> + kmem_cache_destroy(kevent_cache);
> + return err;
> +}

It's probably best to treat kmem_cache_create like a black box and check for
it returning null.

Thanks,
Shaw
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