summaryrefslogtreecommitdiffstats
path: root/drivers/s390/cio/ccwgroup.c
diff options
context:
space:
mode:
authorHeiko Carstens <heiko.carstens@de.ibm.com>2006-08-30 14:33:35 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2006-08-30 14:33:35 +0200
commit292888c81e74115db5e5a4a838f730a7c3662982 (patch)
tree16f7b7bf39cd8a72fa8d3aa5b71c8dc890b57c96 /drivers/s390/cio/ccwgroup.c
parent8f61701bdf536c7a80f0f614bac91c7883804c4c (diff)
downloadop-kernel-dev-292888c81e74115db5e5a4a838f730a7c3662982.zip
op-kernel-dev-292888c81e74115db5e5a4a838f730a7c3662982.tar.gz
[S390] cio: kernel stack overflow.
Use different kind of assignment to make sure gcc doesn't create code that creates temp variables on the stack, assigns values to it and copies the content of the whole temp variable to the destination. This reduces stack usage of e.g. ccwgroup_driver_register from 976 to 48 bytes instead. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/ccwgroup.c')
-rw-r--r--drivers/s390/cio/ccwgroup.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index 3cba6c9..38954f5 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -183,11 +183,9 @@ ccwgroup_create(struct device *root,
gdev->creator_id = creator_id;
gdev->count = argc;
- gdev->dev = (struct device ) {
- .bus = &ccwgroup_bus_type,
- .parent = root,
- .release = ccwgroup_release,
- };
+ gdev->dev.bus = &ccwgroup_bus_type;
+ gdev->dev.parent = root;
+ gdev->dev.release = ccwgroup_release;
snprintf (gdev->dev.bus_id, BUS_ID_SIZE, "%s",
gdev->cdev[0]->dev.bus_id);
@@ -391,10 +389,8 @@ int
ccwgroup_driver_register (struct ccwgroup_driver *cdriver)
{
/* register our new driver with the core */
- cdriver->driver = (struct device_driver) {
- .bus = &ccwgroup_bus_type,
- .name = cdriver->name,
- };
+ cdriver->driver.bus = &ccwgroup_bus_type;
+ cdriver->driver.name = cdriver->name;
return driver_register(&cdriver->driver);
}
OpenPOWER on IntegriCloud