]> git.baikalelectronics.ru Git - kernel.git/commit
s390/cio: use device_lock to synchronize calls to the ccwgroup driver
authorSebastian Ott <sebott@linux.vnet.ibm.com>
Mon, 16 Dec 2013 09:56:46 +0000 (10:56 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Mon, 16 Dec 2013 13:38:03 +0000 (14:38 +0100)
commit392894fd4bd3c54f344c32cac5217f20dfc02a18
treeeedc56fb461873c5697fe450f60e0497316ef670
parent4a1f655a3ccea5b47d61b4e4a593d703b572d26e
s390/cio: use device_lock to synchronize calls to the ccwgroup driver

When calling set_{on,off}line of a ccwgroup device driver we hold
the module reference of the owner. This is pretty useless - we don't
want to prevent module unloading but driver unbinding. Use the
driver core's device_lock instead.

Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/cio/ccwgroup.c