change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/kernel/relay.c
..
..
@@ -163,13 +163,13 @@
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 {
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 	struct rchan_buf *buf;
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-	if (chan->n_subbufs > KMALLOC_MAX_SIZE / sizeof(size_t *))
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+	if (chan->n_subbufs > KMALLOC_MAX_SIZE / sizeof(size_t))
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 		return NULL;
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 	buf = kzalloc(sizeof(struct rchan_buf), GFP_KERNEL);
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 	if (!buf)
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 		return NULL;
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-	buf->padding = kmalloc_array(chan->n_subbufs, sizeof(size_t *),
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+	buf->padding = kmalloc_array(chan->n_subbufs, sizeof(size_t),
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 				     GFP_KERNEL);
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 	if (!buf->padding)
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 		goto free_buf;
..
..
@@ -1077,7 +1077,8 @@
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 	size_t subbuf_size = buf->chan->subbuf_size;
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 	size_t n_subbufs = buf->chan->n_subbufs;
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 	size_t consumed = buf->subbufs_consumed % n_subbufs;
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-	size_t read_pos = consumed * subbuf_size + buf->bytes_consumed;
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+	size_t read_pos = (consumed * subbuf_size + buf->bytes_consumed)
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+			% (n_subbufs * subbuf_size);
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 	read_subbuf = read_pos / subbuf_size;
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 	padding = buf->padding[read_subbuf];