Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 09/21] driver core: bus: bus_get_kset() cleanup | Date | Wed, 8 Feb 2023 12:13:18 +0100 |
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Convert the bus_get_kset() function function to use bus_to_subsys() and not use the back-pointer to the private structure.
Cc: "Rafael J. Wysocki" <rafael@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/base/bus.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/base/bus.c b/drivers/base/bus.c index deed62509a62..90627c68d02b 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -956,7 +956,16 @@ void bus_notify(struct device *dev, enum bus_notifier_event value) struct kset *bus_get_kset(struct bus_type *bus) { - return &bus->p->subsys; + struct subsys_private *sp = bus_to_subsys(bus); + struct kset *kset; + + if (!sp) + return NULL; + + kset = &sp->subsys; + subsys_put(sp); + + return kset; } EXPORT_SYMBOL_GPL(bus_get_kset); -- 2.39.1
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