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Driver core: fix SYSF_DEPRECATED breakage for nested classdevs

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We should only reparent to a class former class devices that
form the base of class hierarchy. Nested devices should still
grow from their real parents.

Signed-off-by: Dmitry Torokhov <[email protected]>
Tested-by: Andrey Borzenkov <[email protected]>
Tested-by: Anssi Hannula <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Dmitry Torokhov 2007-10-07 12:22:21 -04:00 • committed by Linus Torvalds
commit 3eb215de26
1 changed files with 7 additions and 3 deletions
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10
drivers/base/core.c
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@ -586,9 +586,13 @@ void device_initialize(struct device *dev)
static struct kobject * get_device_parent(struct device *dev,
struct device *parent)
{
/* Set the parent to the class, not the parent device */
/* this keeps sysfs from having a symlink to make old udevs happy */
if (dev->class)
/*
* Set the parent to the class, not the parent device
* for topmost devices in class hierarchy.
* This keeps sysfs from having a symlink to make old
* udevs happy
*/
if (dev->class && (!parent || parent->class != dev->class))
return &dev->class->subsys.kobj;
else if (parent)
return &parent->kobj;