From: Zhen Lei thunder.leizhen@huawei.com
[ Upstream commit b01360384009ab066940b45f34880991ea7ccbfb ]
Fix to return a negative error code from the error handling case instead of 0, as done elsewhere in this function.
Fixes: 8a63b1994c50 ("crypto: ux500 - Add driver for HASH hardware") Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Zhen Lei thunder.leizhen@huawei.com Reviewed-by: Linus Walleij linus.walleij@linaro.org Signed-off-by: Herbert Xu herbert@gondor.apana.org.au Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/crypto/ux500/hash/hash_core.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/crypto/ux500/hash/hash_core.c b/drivers/crypto/ux500/hash/hash_core.c index c172a6953477..38a66aceca2a 100644 --- a/drivers/crypto/ux500/hash/hash_core.c +++ b/drivers/crypto/ux500/hash/hash_core.c @@ -1009,6 +1009,7 @@ static int hash_hw_final(struct ahash_request *req) goto out; } } else if (req->nbytes == 0 && ctx->keylen > 0) { + ret = -EPERM; dev_err(device_data->dev, "%s: Empty message with keylength > 0, NOT supported\n", __func__); goto out;