add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/crypto/rockchip/rk_crypto_v1_skcipher.c
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@@ -66,7 +66,7 @@
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 	switch (algo) {
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 	case CIPHER_ALGO_DES3_EDE:
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 		*bc_val |= RK_CRYPTO_TDES_SELECT;
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-		/* fall through */
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+		fallthrough;
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 	case CIPHER_ALGO_DES:
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 		if (mode == CIPHER_MODE_ECB)
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 			*bc_val = 0;
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@@ -269,7 +269,6 @@
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 	struct skcipher_request *req =
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 		skcipher_request_cast(rk_dev->async_req);
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 	struct rk_alg_ctx *alg_ctx = rk_alg_ctx_cast(rk_dev);
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-	unsigned long flags;
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 	int err = 0;
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 	alg_ctx->left_bytes = req->cryptlen;
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@@ -281,10 +280,9 @@
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 	alg_ctx->req_dst    = req->dst;
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 	alg_ctx->dst_nents  = sg_nents_for_len(req->dst, req->cryptlen);
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-	spin_lock_irqsave(&rk_dev->lock, flags);
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 	rk_ablk_hw_init(rk_dev);
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 	err = rk_set_data_start(rk_dev);
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-	spin_unlock_irqrestore(&rk_dev->lock, flags);
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+
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 	return err;
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 }
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