diff options
Diffstat (limited to 'drivers/s390/cio/css.c')
| -rw-r--r-- | drivers/s390/cio/css.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index c1afab5f72d6..595e327d2f76 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -705,13 +705,17 @@ css_cm_enable_store(struct device *dev, struct device_attribute *attr, { struct channel_subsystem *css = to_css(dev); int ret; + unsigned long val; + ret = strict_strtoul(buf, 16, &val); + if (ret) + return ret; mutex_lock(&css->mutex); - switch (buf[0]) { - case '0': + switch (val) { + case 0: ret = css->cm_enabled ? chsc_secm(css, 0) : 0; break; - case '1': + case 1: ret = css->cm_enabled ? 0 : chsc_secm(css, 1); break; default: |