crypto: hisilicon - allow smaller reads in debugfs
Originally this code rejected any read less than 256 bytes. There is no need for this artificial limit. We should just use the normal helper functions to read a string from the kernel. Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com> Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>
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