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driver core: Introduce device_find_any_child() helper

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[ Upstream commit 82b070beae ]

There are several places in the kernel where this kind of functionality is
being used. Provide a generic helper for such cases.

Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220610120219.18988-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: 27aabf27fd ("Bluetooth: fix use-after-free in device_for_each_child()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Andy Shevchenko
2022-06-10 15:02:18 +03:00
committed by Greg Kroah-Hartman
parent b889a7d68d
commit 86bd0ba393
2 changed files with 22 additions and 0 deletions
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include/linux/device.h
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@@ -830,6 +830,8 @@ struct device *device_find_child(struct device *dev, void *data,
int (*match)(struct device *dev, void *data));
struct device *device_find_child_by_name(struct device *parent,
const char *name);
struct device *device_find_any_child(struct device *parent);
int device_rename(struct device *dev, const char *new_name);
int device_move(struct device *dev, struct device *new_parent,
enum dpm_order dpm_order);