Messages in this thread |  | | From | shaw@vranix ... | Subject | Re: [take17 1/4] kevent: Core files. | Date | Thu, 7 Sep 2006 21:05:16 -0700 |
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> +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.
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