Commit 53ebb3b8 authored by Al Viro's avatar Al Viro Committed by Linus Torvalds
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[PATCH] trivial usb endianness annotations

parent f1fda895
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+12 −14
Original line number Diff line number Diff line
@@ -70,12 +70,12 @@
	(((GL_MAX_PACKET_LEN + 4) * GL_MAX_TRANSMIT_PACKETS) + 4)

struct gl_packet {
	u32		packet_length;
	__le32		packet_length;
	char		packet_data [1];
};

struct gl_header {
	u32			packet_count;
	__le32			packet_count;
	struct gl_packet	packets;
};

@@ -85,15 +85,14 @@ static int genelink_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
	struct gl_packet	*packet;
	struct sk_buff		*gl_skb;
	u32			size;
	u32			count;

	header = (struct gl_header *) skb->data;

	// get the packet count of the received skb
	le32_to_cpus(&header->packet_count);
	if ((header->packet_count > GL_MAX_TRANSMIT_PACKETS)
			|| (header->packet_count < 0)) {
		dbg("genelink: invalid received packet count %d",
			header->packet_count);
	count = le32_to_cpu(header->packet_count);
	if (count > GL_MAX_TRANSMIT_PACKETS) {
		dbg("genelink: invalid received packet count %u", count);
		return 0;
	}

@@ -103,7 +102,7 @@ static int genelink_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
	// decrement the length for the packet count size 4 bytes
	skb_pull(skb, 4);

	while (header->packet_count > 1) {
	while (count > 1) {
		// get the packet length
		size = le32_to_cpu(packet->packet_length);

@@ -124,9 +123,8 @@ static int genelink_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
		}

		// advance to the next packet
		packet = (struct gl_packet *)
			&packet->packet_data [size];
		header->packet_count--;
		packet = (struct gl_packet *)&packet->packet_data[size];
		count--;

		// shift the data pointer to the next gl_packet
		skb_pull(skb, size + 4);
@@ -149,8 +147,8 @@ genelink_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
	int	length = skb->len;
	int	headroom = skb_headroom(skb);
	int	tailroom = skb_tailroom(skb);
	u32	*packet_count;
	u32	*packet_len;
	__le32	*packet_count;
	__le32	*packet_len;

	// FIXME:  magic numbers, bleech
	padlen = ((skb->len + (4 + 4*1)) % 64) ? 0 : 1;
@@ -172,7 +170,7 @@ genelink_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
	}

	// attach the packet count to the header
	packet_count = (u32 *) skb_push(skb, (4 + 4*1));
	packet_count = (__le32 *) skb_push(skb, (4 + 4*1));
	packet_len = packet_count + 1;

	*packet_count = cpu_to_le32(1);
+4 −4
Original line number Diff line number Diff line
@@ -170,13 +170,13 @@ static int cp2101_get_config(struct usb_serial_port* port, u8 request,
		unsigned int *data, int size)
{
	struct usb_serial *serial = port->serial;
	u32 *buf;
	__le32 *buf;
	int result, i, length;

	/* Number of integers required to contain the array */
	length = (((size - 1) | 3) + 1)/4;

	buf = kcalloc(length, sizeof(u32), GFP_KERNEL);
	buf = kcalloc(length, sizeof(__le32), GFP_KERNEL);
	if (!buf) {
		dev_err(&port->dev, "%s - out of memory.\n", __FUNCTION__);
		return -ENOMEM;
@@ -216,13 +216,13 @@ static int cp2101_set_config(struct usb_serial_port* port, u8 request,
		unsigned int *data, int size)
{
	struct usb_serial *serial = port->serial;
	u32 *buf;
	__le32 *buf;
	int result, i, length;

	/* Number of integers required to contain the array */
	length = (((size - 1) | 3) + 1)/4;

	buf = kmalloc(length * sizeof(u32), GFP_KERNEL);
	buf = kmalloc(length * sizeof(__le32), GFP_KERNEL);
	if (!buf) {
		dev_err(&port->dev, "%s - out of memory.\n",
				__FUNCTION__);