commit | c560d105a197464603247bf55962fc7f23c8cb62 | [log] [tgz] |
---|---|---|
author | Sebastian Ott <sebott@linux.vnet.ibm.com> | Wed May 26 23:27:07 2010 +0200 |
committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | Wed May 26 23:27:09 2010 +0200 |
tree | 04f9738638aff5f4825fc2567540d288ffd4518a | |
parent | a65a3e82b5b5f8f70cc0d51498441585d5b381f1 [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>