Re: [PATCH v6 1/5] random: Blocking API for accessing nonblocking_pool

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Am Montag, 18. Mai 2015, 17:21:31 schrieb Herbert Xu:

Hi Herbert,

>> +/*
>> + * Equivalent function to get_random_bytes with the difference that this
>> + * function blocks the request until the nonblocking_pool is initialized.
>> + */
>> +int get_blocking_random_bytes_cb(void *buf, int nbytes, void *private,
>> +				 void (*cb)(void *buf, int buflen,
>> +					    void *private))
>
>You can simplify this further and get rid of buf/nbytes.  All
>we need to know is whether the pool is ready.  Everything else
>can come from private.
>
So, the async function is now just a notification of the caller. Sounds good 
with me.

>> +	struct random_work *rw = NULL;
>> +	int ret = 0;
>
>I think this function should return 0 if the pool is ready now,
>-EINPROGRESS if it's not (indicating that the callback will be
>called when it is ready) and otherwise an error.

Ok, will come in the next patch.

Ciao
Stephan
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