s390/cio: fix unlocked access of global bitmap
authorSebastian Ott <sebott@linux.vnet.ibm.com>
Thu, 29 Aug 2013 18:31:06 +0000 (20:31 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Fri, 30 Aug 2013 06:57:22 +0000 (08:57 +0200)
commiteb072a7996467937a1582d0188ed082768902a5a
tree66115658aa7bc89efa9381c7123cd4fcfa17115e
parent57b5918c33a0797930c3791fb602a8a9d46ef80c
s390/cio: fix unlocked access of global bitmap

Access to the slow_subchannel_set has to be secured via the
slow_subchannel_lock.

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