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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-02-08 14:13:22 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-02-09 12:43:30 +0300 |
| commit | b5aaecb82ac0d008ddec8132979398b9b4e925fc (patch) | |
| tree | 536e0fb42889537a85951e008c696e8d25eeefab /drivers/base/bus.c | |
| parent | 83b9148df2c95e23d0fcf1f714dec88ce5a0468b (diff) | |
| download | linux-b5aaecb82ac0d008ddec8132979398b9b4e925fc.tar.xz | |
driver core: bus: clean up bus_sort_breadthfirst()
Convert the bus_sort_breadthfirst() function to use bus_to_subsys() and
not use the back-pointer to the private structure.
This also allows us to get rid of bus_get_device_klist() which was only
being used by this one internal function.
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/20230208111330.439504-14-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base/bus.c')
| -rw-r--r-- | drivers/base/bus.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/base/bus.c b/drivers/base/bus.c index c6d310fd0ecf..87c44661dcad 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -1006,11 +1006,6 @@ struct kset *bus_get_kset(struct bus_type *bus) } EXPORT_SYMBOL_GPL(bus_get_kset); -static struct klist *bus_get_device_klist(struct bus_type *bus) -{ - return &bus->p->klist_devices; -} - /* * Yes, this forcibly breaks the klist abstraction temporarily. It * just wants to sort the klist, not change reference counts and @@ -1042,13 +1037,16 @@ void bus_sort_breadthfirst(struct bus_type *bus, int (*compare)(const struct device *a, const struct device *b)) { + struct subsys_private *sp = bus_to_subsys(bus); LIST_HEAD(sorted_devices); struct klist_node *n, *tmp; struct device_private *dev_prv; struct device *dev; struct klist *device_klist; - device_klist = bus_get_device_klist(bus); + if (!sp) + return; + device_klist = &sp->klist_devices; spin_lock(&device_klist->k_lock); list_for_each_entry_safe(n, tmp, &device_klist->k_list, n_node) { @@ -1058,6 +1056,7 @@ void bus_sort_breadthfirst(struct bus_type *bus, } list_splice(&sorted_devices, &device_klist->k_list); spin_unlock(&device_klist->k_lock); + subsys_put(sp); } EXPORT_SYMBOL_GPL(bus_sort_breadthfirst); |