From: Bjorn Helgaas <bjorn.helgaas@hp.com>

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@hp.com>
Acked-by: Rene Herman <rene.herman@gmail.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Adam M Belay <abelay@mit.edu>
Cc: Li Shaohua <shaohua.li@intel.com>
Cc: Matthieu Castet <castet.matthieu@free.fr>
Cc: Thomas Renninger <trenn@suse.de>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/pnp/support.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff -puN drivers/pnp/support.c~pnp-in-debug-resource-dump-make-empty-list-obvious drivers/pnp/support.c
--- a/drivers/pnp/support.c~pnp-in-debug-resource-dump-make-empty-list-obvious
+++ a/drivers/pnp/support.c
@@ -77,7 +77,12 @@ 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;
 
_