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 da284b0ea1b2..243515df609b 100644
--- a/drivers/crypto/ux500/hash/hash_core.c
+++ b/drivers/crypto/ux500/hash/hash_core.c
@@ -1010,6 +1010,7 @@ 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
