Messages in this thread Patch in this message | | | From | Duncan Sands <> | Subject | [PATCH 10/14] USB speedtouch: send path micro optimizations | Date | Wed, 21 May 2003 01:02:47 +0200 |
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speedtch.c | 14 ++++++-------- 1 files changed, 6 insertions(+), 8 deletions(-)
diff -Nru a/drivers/usb/misc/speedtch.c b/drivers/usb/misc/speedtch.c --- a/drivers/usb/misc/speedtch.c Wed May 21 00:40:55 2003 +++ b/drivers/usb/misc/speedtch.c Wed May 21 00:40:55 2003 @@ -167,8 +167,8 @@ struct atm_skb_data atm_data; unsigned int num_cells; unsigned int num_entire; - unsigned char cell_header [ATM_CELL_HEADER]; unsigned int pdu_padding; + unsigned char cell_header [ATM_CELL_HEADER]; unsigned char aal5_trailer [ATM_AAL5_TRAILER]; }; @@ -483,8 +483,7 @@ memset (target, 0, ATM_CELL_PAYLOAD - ATM_AAL5_TRAILER); target += ATM_CELL_PAYLOAD - ATM_AAL5_TRAILER; - if (--ctrl->num_cells) - BUG(); + BUG_ON (--ctrl->num_cells); } memcpy (target, ctrl->aal5_trailer, ATM_AAL5_TRAILER); @@ -674,11 +673,11 @@ static void udsl_process_send (unsigned long data) { struct udsl_send_buffer *buf; - int err; struct udsl_instance_data *instance = (struct udsl_instance_data *) data; - unsigned int num_written; struct sk_buff *skb; struct udsl_sender *snd; + int err; + unsigned int num_written; made_progress: spin_lock_irq (&instance->send_lock); @@ -712,16 +711,15 @@ list_add (&snd->list, &instance->spare_senders); spin_unlock_irq (&instance->send_lock); list_add (&buf->list, &instance->filled_send_buffers); - return; + return; /* bail out */ } spin_lock_irq (&instance->send_lock); } /* while */ spin_unlock_irq (&instance->send_lock); - if (!instance->current_skb && !(instance->current_skb = skb_dequeue (&instance->sndqueue))) { + if (!instance->current_skb && !(instance->current_skb = skb_dequeue (&instance->sndqueue))) return; /* done - no more skbs */ - } skb = instance->current_skb; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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