solos: Slight debugging improvements

Print a message if pskb_expand_head fails.

Make atmdebug writable by root, so that you can turn printing of data sent to
and received from the card on and off at runtime - useful for tracking
corruption.

Signed-off-by: Simon Farnsworth <simon@farnz.org.uk>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Simon Farnsworth 2009-01-19 21:19:29 +00:00 committed by David Woodhouse
parent b76811af76
commit 4306cad6fe

View File

@ -91,7 +91,7 @@ MODULE_LICENSE("GPL");
MODULE_PARM_DESC(debug, "Enable Loopback");
MODULE_PARM_DESC(atmdebug, "Print ATM data");
module_param(debug, int, 0444);
module_param(atmdebug, int, 0444);
module_param(atmdebug, int, 0644);
static int opens;
@ -541,6 +541,7 @@ static int psend(struct atm_vcc *vcc, struct sk_buff *skb)
ret = pskb_expand_head(skb, expand_by, 0, GFP_ATOMIC);
if (ret) {
dev_warn(&card->dev->dev, "pskb_expand_head failed.\n");
solos_pop(vcc, skb);
return ret;
}