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authorAl Viro <viro@ftp.linux.org.uk>2007-02-09 16:39:55 +0000
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-09 09:14:08 -0800
commit53ebb3b8264a77b6214f7a405300de8c24a12554 (patch)
tree3d63801f367c00c7d3e28c29bd7f60fd1273deba
parentf1fda89522c5aaa1bd4ef69605e85e6ee9c85faf (diff)
downloadop-kernel-dev-53ebb3b8264a77b6214f7a405300de8c24a12554.zip
op-kernel-dev-53ebb3b8264a77b6214f7a405300de8c24a12554.tar.gz
[PATCH] trivial usb endianness annotations
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--drivers/usb/net/gl620a.c26
-rw-r--r--drivers/usb/serial/cp2101.c8
2 files changed, 16 insertions, 18 deletions
diff --git a/drivers/usb/net/gl620a.c b/drivers/usb/net/gl620a.c
index a6f0f4d..31e5fe3 100644
--- a/drivers/usb/net/gl620a.c
+++ b/drivers/usb/net/gl620a.c
@@ -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);
diff --git a/drivers/usb/serial/cp2101.c b/drivers/usb/serial/cp2101.c
index 06b4fff..3ec2487 100644
--- a/drivers/usb/serial/cp2101.c
+++ b/drivers/usb/serial/cp2101.c
@@ -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__);
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