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| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2010-05-27 01:27:07 +0400 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2010-05-27 01:27:09 +0400 |
| commit | c560d105a197464603247bf55962fc7f23c8cb62 (patch) | |
| tree | 04f9738638aff5f4825fc2567540d288ffd4518a /drivers/s390/cio/ccwreq.c | |
| parent | a65a3e82b5b5f8f70cc0d51498441585d5b381f1 (diff) | |
| download | linux-c560d105a197464603247bf55962fc7f23c8cb62.tar.xz | |
[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 'drivers/s390/cio/ccwreq.c')
0 files changed, 0 insertions, 0 deletions