add support 4g -- >ppp

hc

2023-11-24 2b26ab132d1b33b91c84c6d732456200e8c5ee77

 kernel/drivers/crypto/rockchip/rk_crypto_v2_akcipher.c
..
..
@@ -160,7 +160,7 @@
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 		goto exit;
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 	out = rk_bn_alloc(key_byte_size);
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-	if (!in)
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+	if (!out)
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 		goto exit;
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 	tmp_buf = kzalloc(key_byte_size, GFP_KERNEL);