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| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2009-03-26 14:24:08 (GMT) |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2009-03-26 14:24:13 (GMT) |
| commit | e74fe0cec92439115630b51195444b89b910800a (patch) | |
| tree | 32ae9fd3fabbf59a50268234b73d3271974fdb91 /drivers/s390/cio | |
| parent | c08f294a14cb4c2abbd1a9a619c2d8d07afd41e3 (diff) | |
| download | linux-fsl-qoriq-e74fe0cec92439115630b51195444b89b910800a.tar.xz | |
[S390] cio: ccw device online store - report rc from ccw driver.
In case the ccw driver refuses to set a device offline, we should
transmit the return code to the caller.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio')
| -rw-r--r-- | drivers/s390/cio/device.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 71b3b73..9be6dd5 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -457,12 +457,13 @@ int ccw_device_set_online(struct ccw_device *cdev) return (ret == 0) ? -ENODEV : ret; } -static void online_store_handle_offline(struct ccw_device *cdev) +static int online_store_handle_offline(struct ccw_device *cdev) { if (cdev->private->state == DEV_STATE_DISCONNECTED) ccw_device_remove_disconnected(cdev); - else if (cdev->drv && cdev->drv->set_offline) - ccw_device_set_offline(cdev); + else if (cdev->online && cdev->drv && cdev->drv->set_offline) + return ccw_device_set_offline(cdev); + return 0; } static int online_store_recog_and_online(struct ccw_device *cdev) @@ -530,13 +531,10 @@ static ssize_t online_store (struct device *dev, struct device_attribute *attr, goto out; switch (i) { case 0: - online_store_handle_offline(cdev); - ret = count; + ret = online_store_handle_offline(cdev); break; case 1: ret = online_store_handle_online(cdev, force); - if (!ret) - ret = count; break; default: ret = -EINVAL; @@ -545,7 +543,7 @@ out: if (cdev->drv) module_put(cdev->drv->owner); atomic_set(&cdev->private->onoff, 0); - return ret; + return (ret < 0) ? ret : count; } static ssize_t |