1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/s390/cio/cmf.c b/drivers/s390/cio/cmf.c
index 6c77c2326bd4..77523131a05e 100644
--- a/drivers/s390/cio/cmf.c
+++ b/drivers/s390/cio/cmf.c
@@ -1344,8 +1344,7 @@ static int __init init_cmf(void)
          * to basic mode.
          */
         if (format == CMF_AUTODETECT) {
-                if (!css_characteristics_avail ||
-                    !css_general_characteristics.ext_mb) {
+                if (!css_general_characteristics.ext_mb) {
                         format = CMF_BASIC;
                 } else {
                         format = CMF_EXTENDED;