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authorTudor-Dan Ambarus <tudor.ambarus@microchip.com>2017-05-25 10:18:11 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2017-06-10 12:04:29 +0800
commit85ac98cbac1bb63c878486b88bfb6f5bac540e21 (patch)
tree674d75a7581fa78ce841dded9e514a4bc82583c4 /drivers/crypto/qat/qat_common
parentd0efb48b8615292e05373caa27854e36e732668b (diff)
crypto: qat - comply with crypto_kpp_maxsize()
crypto_kpp_maxsize() asks for the output buffer size without caring for errors. It allways assume that will be called after a valid setkey. Comply with it and return what he wants. Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/qat/qat_common')
-rw-r--r--drivers/crypto/qat/qat_common/qat_asym_algs.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/crypto/qat/qat_common/qat_asym_algs.c b/drivers/crypto/qat/qat_common/qat_asym_algs.c
index 2aab80bc241f..1d882a7cc34f 100644
--- a/drivers/crypto/qat/qat_common/qat_asym_algs.c
+++ b/drivers/crypto/qat/qat_common/qat_asym_algs.c
@@ -521,11 +521,11 @@ static int qat_dh_set_secret(struct crypto_kpp *tfm, const void *buf,
return 0;
}
-static int qat_dh_max_size(struct crypto_kpp *tfm)
+static unsigned int qat_dh_max_size(struct crypto_kpp *tfm)
{
struct qat_dh_ctx *ctx = kpp_tfm_ctx(tfm);
- return ctx->p ? ctx->p_size : -EINVAL;
+ return ctx->p_size;
}
static int qat_dh_init_tfm(struct crypto_kpp *tfm)