diff options
| author | Michał Mirosław <mirq-linux@rere.qmqm.pl> | 2013-02-01 23:40:17 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-02-07 00:18:56 +0400 |
| commit | 9f3b795a626ee79574595e06d1437fe0c7d51d29 (patch) | |
| tree | 1952cb2ac880c0e66f291916815c2a36b4ceb300 /drivers/base | |
| parent | 807be03cae191cb88e2f267adcd49aba785c658b (diff) | |
| download | linux-9f3b795a626ee79574595e06d1437fe0c7d51d29.tar.xz | |
driver-core: constify data for class_find_device()
All in-kernel users of class_find_device() don't really need mutable
data for match callback.
In two places (kernel/power/suspend_test.c, drivers/scsi/osd/osd_uld.c)
this patch changes match callbacks to use const search data.
The const is propagated to rtc_class_open() and power_supply_get_by_name()
parameters.
Note that there's a dev reference leak in suspend_test.c that's not
touched in this patch.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/class.c | 4 | ||||
| -rw-r--r-- | drivers/base/core.c | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/base/class.c b/drivers/base/class.c index 03243d4002fd..3ce845471327 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -420,8 +420,8 @@ EXPORT_SYMBOL_GPL(class_for_each_device); * code. There's no locking restriction. */ struct device *class_find_device(struct class *class, struct device *start, - void *data, - int (*match)(struct device *, void *)) + const void *data, + int (*match)(struct device *, const void *)) { struct class_dev_iter iter; struct device *dev; diff --git a/drivers/base/core.c b/drivers/base/core.c index 27603a6c0a93..56536f4b0f6b 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -1617,9 +1617,9 @@ struct device *device_create(struct class *class, struct device *parent, } EXPORT_SYMBOL_GPL(device_create); -static int __match_devt(struct device *dev, void *data) +static int __match_devt(struct device *dev, const void *data) { - dev_t *devt = data; + const dev_t *devt = data; return dev->devt == *devt; } |