From: Zhen Lei thunder.leizhen@huawei.com
stable inclusion from stable-5.10.50 commit 45d2d67833ae72a145560cfb6ba30c02a10642ad bugzilla: 174522 https://gitee.com/openeuler/kernel/issues/I4DNFY
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ 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 Signed-off-by: Chen Jun chenjun102@huawei.com Acked-by: Weilong Chen chenweilong@huawei.com Signed-off-by: Chen Jun chenjun102@huawei.com --- 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;