[patch 17/28] PNP: in debug resource dump, make empty list obvious

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If the resource list is empty, say that explicitly.  Previously,
it was confusing because often the heading was followed by zero
resource lines, then some "add resource" lines from auto-assignment,
so the "add" lines looked like current resources.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@xxxxxx>
Acked-by: Rene Herman <rene.herman@xxxxxxxxx>

Index: work14/drivers/pnp/support.c
===================================================================
--- work14.orig/drivers/pnp/support.c	2008-06-24 16:58:34.000000000 -0600
+++ work14/drivers/pnp/support.c	2008-06-24 17:09:13.000000000 -0600
@@ -79,7 +79,12 @@ void dbg_pnp_show_resources(struct pnp_d
 	struct pnp_resource *pnp_res;
 	struct resource *res;
 
-	dev_dbg(&dev->dev, "current resources: %s\n", desc);
+	if (list_empty(&dev->resources)) {
+		dev_dbg(&dev->dev, "%s: no current resources\n", desc);
+		return;
+	}
+
+	dev_dbg(&dev->dev, "%s: current resources:\n", desc);
 	list_for_each_entry(pnp_res, &dev->resources, list) {
 		res = &pnp_res->res;
 

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