[POWERPC] EEH: Be careful when identifying "empty" slots.

If an "empty" slot is failing, make sure its a permanent failure;
else process the error normally.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c
index 42a30b6..aa14a85 100644
--- a/arch/powerpc/platforms/pseries/eeh.c
+++ b/arch/powerpc/platforms/pseries/eeh.c
@@ -546,7 +546,7 @@
 
 	/* Note that config-io to empty slots may fail;
 	 * they are empty when they don't have children. */
-	if ((rets[0] == 5) && (dn->child == NULL)) {
+	if ((rets[0] == 5) && (rets[2] == 0) && (dn->child == NULL)) {
 		false_positives++;
 		pdn->eeh_false_positives ++;
 		rc = 0;