From: Zhen Lei <thunder.leizhen@xxxxxxxxxx> [ 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@xxxxxxxxxx> Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx> Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- 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 17c8e2b28c42..7500ec9efa6a 100644 --- a/drivers/crypto/ux500/hash/hash_core.c +++ b/drivers/crypto/ux500/hash/hash_core.c @@ -1006,6 +1006,7 @@ 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; -- 2.30.2