Merge tag 's390-5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

[platform/kernel/linux-starfive.git] / drivers / s390 / cio / ccwgroup.c

diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index 0005ec9..b42a937 100644 (file)
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -372,7 +372,7 @@ int ccwgroup_create_dev(struct device *parent, struct ccwgroup_driver *gdrv,
                goto error;
        }
        /* Check for trailing stuff. */
-       if (i == num_devices && strlen(buf) > 0) {
+       if (i == num_devices && buf && strlen(buf) > 0) {
                rc = -EINVAL;
                goto error;
        }