Re: [PATCH] udev enhancements to use kernel event queue

Oliver Neukum (oliver@neukum.org)
Fri, 13 Jun 2003 22:01:47 +0200


> +
> + spin_lock(&sequence_lock);
> + envp [i++] = scratch;
> + scratch += sprintf(scratch, "SEQNUM=%ld", sequence_num) + 1;
> + ++sequence_num;
> + spin_unlock(&sequence_lock);
>
> kobj_path_length = get_kobj_path_length (kset, kobj);
> kobj_path = kmalloc (kobj_path_length, GFP_KERNEL);

If this kmalloc fails, you'll have a hole in the numbers and
user space will be very confused. You need to report dropped
events if you do this.

Regards
Oliver

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