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path: root/drivers/usb/atm/speedtch.c
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Diffstat (limited to 'drivers/usb/atm/speedtch.c')
-rw-r--r--drivers/usb/atm/speedtch.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/usb/atm/speedtch.c b/drivers/usb/atm/speedtch.c
index 992db1c..03a0e99 100644
--- a/drivers/usb/atm/speedtch.c
+++ b/drivers/usb/atm/speedtch.c
@@ -430,13 +430,11 @@ static void speedtch_check_status(struct speedtch_instance_data *instance)
ret = speedtch_read_status(instance);
if (ret < 0) {
atm_warn(usbatm, "error %d fetching device status\n", ret);
- if (instance->poll_delay < MAX_POLL_DELAY)
- instance->poll_delay *= 2;
+ instance->poll_delay = min(2 * instance->poll_delay, MAX_POLL_DELAY);
return;
}
- if (instance->poll_delay > MIN_POLL_DELAY)
- instance->poll_delay /= 2;
+ instance->poll_delay = max(instance->poll_delay / 2, MIN_POLL_DELAY);
atm_dbg(usbatm, "%s: line state %02x\n", __func__, buf[OFFSET_7]);
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