ChangeSet 1.1209, 2003/06/18 16:32:42-07:00, [EMAIL PROTECTED]
[PATCH] USB speedtouch: crc optimization
drivers/usb/speedtouch.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff -Nru a/drivers/usb/speedtouch.c b/drivers/usb/speedtouch.c
--- a/drivers/usb/speedtouch.c Wed Jun 18 17:36:24 2003
+++ b/drivers/usb/speedtouch.c Wed Jun 18 17:36:24 2003
@@ -406,11 +406,12 @@
** encode **
*************/
+static const unsigned char zeros[ATM_CELL_PAYLOAD];
+
static void udsl_groom_skb (struct atm_vcc *vcc, struct sk_buff *skb)
{
struct udsl_control *ctrl = UDSL_SKB (skb);
- unsigned int i, zero_padding;
- unsigned char zero = 0;
+ unsigned int zero_padding;
u32 crc;
ctrl->atm_data.vcc = vcc;
@@ -436,8 +437,7 @@
ctrl->aal5_trailer [3] = skb->len;
crc = crc32_be (~0, skb->data, skb->len);
- for (i = 0; i < zero_padding; i++)
- crc = crc32_be (crc, &zero, 1);
+ crc = crc32_be (crc, zeros, zero_padding);
crc = crc32_be (crc, ctrl->aal5_trailer, 4);
crc = ~crc;
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