diff -urp qemu-2.11.0.orig/scripts/create_config qemu-2.11.0/scripts/create_config
--- qemu-2.11.0.orig/scripts/create_config	2018-01-25 00:12:40.172909475 +0000
+++ qemu-2.11.0/scripts/create_config	2018-01-25 00:13:00.521908262 +0000
@@ -43,7 +43,9 @@ case $line in
  CONFIG_BDRV_RW_WHITELIST=*)
     echo "#define CONFIG_BDRV_RW_WHITELIST\\"
     for drv in ${line#*=}; do
-      echo "    \"${drv}\",\\"
+      if [ ! -z "$drv" ]; then
+        echo "    \"${drv}\",\\"
+      fi
     done
     echo "    NULL"
     ;;