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authorCornelia Huck <cornelia.huck@de.ibm.com>2008-01-31 10:39:38 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2008-02-02 15:14:49 -0800
commit0c98b19fe571ede1f14bd95b855bcbe2cca99bcf (patch)
tree388875be014f29a9f68c89144925d68542c42a4a /drivers/base
parent44414e14af3f18fc8c1b94e259cd760366f665ee (diff)
downloadop-kernel-dev-0c98b19fe571ede1f14bd95b855bcbe2cca99bcf.zip
op-kernel-dev-0c98b19fe571ede1f14bd95b855bcbe2cca99bcf.tar.gz
Driver core: Remove unneeded get_{device,driver}() calls.
Driver core: Remove unneeded get_{device,driver}() calls. Code trying to add/remove attributes must hold a reference to the device resp. driver anyway, so let's remove those reference count games. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Cc: Dave Young <hidave.darkstar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/core.c8
-rw-r--r--drivers/base/driver.c9
2 files changed, 5 insertions, 12 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c
index a0cfda5..9c0070b 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -423,10 +423,8 @@ struct kset *devices_kset;
int device_create_file(struct device *dev, struct device_attribute *attr)
{
int error = 0;
- if (get_device(dev)) {
+ if (dev)
error = sysfs_create_file(&dev->kobj, &attr->attr);
- put_device(dev);
- }
return error;
}
@@ -437,10 +435,8 @@ int device_create_file(struct device *dev, struct device_attribute *attr)
*/
void device_remove_file(struct device *dev, struct device_attribute *attr)
{
- if (get_device(dev)) {
+ if (dev)
sysfs_remove_file(&dev->kobj, &attr->attr);
- put_device(dev);
- }
}
/**
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index a35f041..ba75184 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -97,10 +97,9 @@ int driver_create_file(struct device_driver *drv,
struct driver_attribute *attr)
{
int error;
- if (get_driver(drv)) {
+ if (drv)
error = sysfs_create_file(&drv->p->kobj, &attr->attr);
- put_driver(drv);
- } else
+ else
error = -EINVAL;
return error;
}
@@ -114,10 +113,8 @@ EXPORT_SYMBOL_GPL(driver_create_file);
void driver_remove_file(struct device_driver *drv,
struct driver_attribute *attr)
{
- if (get_driver(drv)) {
+ if (drv)
sysfs_remove_file(&drv->p->kobj, &attr->attr);
- put_driver(drv);
- }
}
EXPORT_SYMBOL_GPL(driver_remove_file);
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