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authorSebastian Ott <sebott@linux.vnet.ibm.com>2010-05-26 17:27:07 -0400
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2010-05-26 17:27:09 -0400
commitc560d105a197464603247bf55962fc7f23c8cb62 (patch)
tree04f9738638aff5f4825fc2567540d288ffd4518a /arch
parenta65a3e82b5b5f8f70cc0d51498441585d5b381f1 (diff)
[S390] ccwgroup: add locking around drvdata access
Several processes may concurrently try to create a group device from the same ccw_device(s). Add locking arround the drvdata access to prevent race conditions. Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch')
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