From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tadeusz Struk <tadeusz.struk@intel.com>
Subject: Re: [PATCH 5/8] lib/scatterlist: Add sg_len helper
Date: Wed, 9 Sep 2015 09:31:00 -0700
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Cc: herbert@gondor.apana.org.au, linux-crypto@vger.kernel.org,
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To: Stephan Mueller <smueller@chronox.de>
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On 09/09/2015 09:27 AM, Stephan Mueller wrote:
>> +int sg_len(struct scatterlist *sg)
> unsigned int?

No, because it can return -EINVAL if you call it before you set the key.