[PATCH] trivial usb endianness annotations
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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 @@
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 @@
// 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 @@
}
// 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 @@
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 @@
}
// 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);