add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/s390/crypto/ghash_s390.c
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@@ -43,10 +43,8 @@
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 {
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 	struct ghash_ctx *ctx = crypto_shash_ctx(tfm);
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-	if (keylen != GHASH_BLOCK_SIZE) {
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-		crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
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+	if (keylen != GHASH_BLOCK_SIZE)
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 		return -EINVAL;
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-	}
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 	memcpy(ctx->key, key, GHASH_BLOCK_SIZE);
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@@ -137,7 +135,7 @@
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 static int __init ghash_mod_init(void)
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 {
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 	if (!cpacf_query_func(CPACF_KIMD, CPACF_KIMD_GHASH))
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-		return -EOPNOTSUPP;
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+		return -ENODEV;
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 	return crypto_register_shash(&ghash_alg);
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 }
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@@ -153,4 +151,4 @@
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 MODULE_ALIAS_CRYPTO("ghash");
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 MODULE_LICENSE("GPL");
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-MODULE_DESCRIPTION("GHASH Message Digest Algorithm, s390 implementation");
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+MODULE_DESCRIPTION("GHASH hash function, s390 implementation");