On Thursday 02 July 2015 01:23 PM, Felipe Balbi wrote:
> On Thu, Jul 02, 2015 at 10:48:31AM +0530, Lokesh Vutla wrote:
>> OMAP AES driver returns an error if the data is not aligned with
>> AES_BLOCK_SIZE bytes.
>> But OMAP AES hw allows data input upto 1 byte aligned, but still
>> zeros are to be appended and complete AES_BLOCK_SIZE has to be written.
>> And correct length has to be passed in LENGTH field.
>> Adding support for inputs not aligned with AES_BLOCK_SIZE.
>>
>> Signed-off-by: Lokesh Vutla <lokeshvu...@ti.com>
>> ---
>> drivers/crypto/omap-aes.c | 33 ++++++++++++++++-----------------
>> 1 file changed, 16 insertions(+), 17 deletions(-)
>>
>> diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c
>> index 9a28b7e..a923101 100644
>> --- a/drivers/crypto/omap-aes.c
>> +++ b/drivers/crypto/omap-aes.c
>> @@ -558,6 +558,9 @@ static int omap_aes_check_aligned(struct scatterlist
>> *sg, int total)
>> {
>> int len = 0;
>>
>> + if (!IS_ALIGNED(total, AES_BLOCK_SIZE))
>> + return -1;
>
> -EINVAL?
Okay, will update it.
Thanks and regards,
Lokesh
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