diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 10df4ee01b3f..b35ef52d9c63 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -2998,7 +2998,7 @@ static void sd_read_block_characteristics(struct scsi_disk *sdkp)
 	rcu_read_lock();
 	vpd = rcu_dereference(sdkp->device->vpd_pgb1);
 
-	if (!vpd || vpd->len < 8) {
+	if (!vpd || vpd->len <= 8) {
 		rcu_read_unlock();
 	        return;
 	}