[PATCH 1/1] crypto: ux500 - Fix error return code in hash_hw_final()

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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>
---
 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 ecb7412e84e3..51a6e1a42434 100644
--- a/drivers/crypto/ux500/hash/hash_core.c
+++ b/drivers/crypto/ux500/hash/hash_core.c
@@ -1011,6 +1011,7 @@ 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;
-- 
2.25.1





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