[PATCH] Fix ISDN v.110.

From: David Woodhouse <dwmw2@infradead.org>

Now that we coalesce ACKs for outgoing packets, the v.110 code needs to
look at the size it's given rather than assuming it'll get precisely one
callback for each packet sent...

drivers/isdn/i4l/isdn_v110.c

@@ -535,13 +535,15 @@ isdn_v110_stat_callback(int idx, isdn_ctrl * c)
 			if (!(v = dev->v110[idx]))
 				return 0;
 			atomic_inc(&dev->v110use[idx]);
-			if (v->skbidle > 0) {
-				v->skbidle--;
-				ret = 1;
-			} else {
-				if (v->skbuser > 0)
-					v->skbuser--;
-				ret = 0;
+			for (i=0; i * v->framelen < c->parm.length; i++) {
+				if (v->skbidle > 0) {
+					v->skbidle--;
+					ret = 1;
+				} else {
+					if (v->skbuser > 0)
+						v->skbuser--;
+					ret = 0;
+				}
 			}
 			for (i = v->skbuser + v->skbidle; i < 2; i++) {
 				struct sk_buff *skb;