Messages in this thread | | | Date | Fri, 8 Sep 2006 10:38:09 +0400 | From | Evgeniy Polyakov <> | Subject | Re: [take17 1/4] kevent: Core files. |
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On Thu, Sep 07, 2006 at 09:05:16PM -0700, shaw@vranix.com (shaw@vranix.com) wrote: > > +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.
It can not return NULL, it will panic instead since I use SLAB_PANIC flag.
> Thanks, > Shaw
-- Evgeniy Polyakov - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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