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[PATCH] USB ATM: reduce log spamming

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Reduce the number of "unknown vpi/vci" debug messages to (usually) at most
one per-urb, rather than one per-cell.  This is only an issue when (a) many
packets come in but no connection is open; and (b) CONFIG_USB_DEBUG is set.

Signed-off-by: Duncan Sands <baldrick@free.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Duncan Sands 2005-05-26 14:32:51 +02:00 committed by Greg Kroah-Hartman
parent 86699e3592
commit e20d6645f7
1 changed files with 11 additions and 10 deletions
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21
drivers/usb/atm/usbatm.c
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@ -298,7 +298,6 @@ static void usbatm_extract_cells(struct usbatm_data *instance,
struct usbatm_vcc_data *cached_vcc = NULL;
struct atm_vcc *vcc;
struct sk_buff *sarb;
struct usbatm_vcc_data *vcc_data;
unsigned int stride = instance->rx_channel.stride;
int vci, cached_vci = 0;
short vpi, cached_vpi = 0;
@ -311,18 +310,20 @@ static void usbatm_extract_cells(struct usbatm_data *instance,
vdbg("%s: vpi %hd, vci %d, pti %d", __func__, vpi, vci, pti);
if (cached_vcc && (vci == cached_vci) && (vpi == cached_vpi))
vcc_data = cached_vcc;
else if ((vcc_data = usbatm_find_vcc(instance, vpi, vci))) {
cached_vcc = vcc_data;
if ((vci != cached_vci) || (vpi != cached_vpi)) {
cached_vpi = vpi;
cached_vci = vci;
} else {
atm_dbg(instance, "%s: unknown vpi/vci (%hd/%d)!\n", __func__, vpi, vci);
continue;
cached_vcc = usbatm_find_vcc(instance, vpi, vci);
if (!cached_vcc)
atm_dbg(instance, "%s: unknown vpi/vci (%hd/%d)!\n", __func__, vpi, vci);
}
vcc = vcc_data->vcc;
if (!cached_vcc)
continue;
vcc = cached_vcc->vcc;
/* OAM F5 end-to-end */
if (pti == ATM_PTI_E2EF5) {
@ -331,7 +332,7 @@ static void usbatm_extract_cells(struct usbatm_data *instance,
continue;
}
sarb = vcc_data->sarb;
sarb = cached_vcc->sarb;
if (sarb->tail + ATM_CELL_PAYLOAD > sarb->end) {
atm_dbg(instance, "%s: buffer overrun (sarb->len %u, vcc: 0x%p)!\n",