X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=drivers%2Fof%2Fof_numa.c;h=fe6b13608e5101458254d4f522454df65dc2e8fa;hb=d41217aac0a577a247c9c8cde688419fde25fba5;hp=35c64a4295e07edc9b5f59ebaed18d3ab2ef1c52;hpb=5f21585384a4a69b8bfdd2cae7e3648ae805f57d;p=linux.git

diff --git a/drivers/of/of_numa.c b/drivers/of/of_numa.c
index 35c64a4295e0..fe6b13608e51 100644
--- a/drivers/of/of_numa.c
+++ b/drivers/of/of_numa.c
@@ -104,9 +104,14 @@ static int __init of_numa_parse_distance_map_v1(struct device_node *map)
 		distance = of_read_number(matrix, 1);
 		matrix++;
 
+		if ((nodea == nodeb && distance != LOCAL_DISTANCE) ||
+		    (nodea != nodeb && distance <= LOCAL_DISTANCE)) {
+			pr_err("Invalid distance[node%d -> node%d] = %d\n",
+			       nodea, nodeb, distance);
+			return -EINVAL;
+		}
+
 		numa_set_distance(nodea, nodeb, distance);
-		pr_debug("distance[node%d -> node%d] = %d\n",
-			 nodea, nodeb, distance);
 
 		/* Set default distance of node B->A same as A->B */
 		if (nodeb > nodea)