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| author |   Sebastian Ott <sebott@linux.vnet.ibm.com> | 2015-09-15 13:11:42 +0200 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2015-10-14 14:32:02 +0200 |
| commit | 1bc6664bdfb949bc69a08113801e7d6acbf6bc3f (patch) | |
| tree | 5426526ca602c9394d3501cf15cf61fa5acc2695 /drivers/s390/cio/device.c | |
| parent | s390/cio: cleanup cmb_enable sysfs attr (diff) | |
| download | linux-dev-1bc6664bdfb949bc69a08113801e7d6acbf6bc3f.tar.xz linux-dev-1bc6664bdfb949bc69a08113801e7d6acbf6bc3f.zip | |
s390/cio: use device_lock during cmb activation
Hold the device_lock during [de]activation of the channel measurement
block to synchronize concurrent usage of these functions.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/s390/cio/device.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index dfef5e63cb7b..20b92c703944 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1797,7 +1797,7 @@ static void ccw_device_shutdown(struct device *dev) cdev = to_ccwdev(dev); if (cdev->drv && cdev->drv->shutdown) cdev->drv->shutdown(cdev); - disable_cmf(cdev); + __disable_cmf(cdev); } static int ccw_device_pm_prepare(struct device *dev) |