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crypto: inside-secure - improve error reporting

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This patch improves the error reporting from the Inside Secure driver to
the upper layers and crypto consumers. All errors reported by the engine
aren't fatal, and some may be genuine.

Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Antoine Tenart
2018-05-14 15:11:01 +02:00
committed by Herbert Xu
parent 8a21f067e0
commit bdfd190956
4 changed files with 27 additions and 11 deletions
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8
drivers/crypto/inside-secure/safexcel_cipher.c
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@@ -160,12 +160,8 @@ static int safexcel_handle_req_result(struct safexcel_crypto_priv *priv, int rin
break;
}
if (rdesc->result_data.error_code) {
dev_err(priv->dev,
"cipher: result: result descriptor error (%d)\n",
rdesc->result_data.error_code);
*ret = -EIO;
}
if (likely(!*ret))
*ret = safexcel_rdesc_check_errors(priv, rdesc);
ndesc++;
} while (!rdesc->last_seg);