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authorMichał Mirosław <mirq-linux@rere.qmqm.pl>2013-02-01 20:40:17 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-02-06 12:18:56 -0800
commit9f3b795a626ee79574595e06d1437fe0c7d51d29 (patch)
tree1952cb2ac880c0e66f291916815c2a36b4ceb300 /init/do_mounts.c
parent807be03cae191cb88e2f267adcd49aba785c658b (diff)
downloadlinux-aarch64-9f3b795a626ee79574595e06d1437fe0c7d51d29.tar.gz
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 'init/do_mounts.c')
-rw-r--r--init/do_mounts.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/init/do_mounts.c b/init/do_mounts.c
index 1d1b6348f903..a2b49f2c1bd8 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -81,9 +81,9 @@ struct uuidcmp {
*
* Returns 1 if the device matches, and 0 otherwise.
*/
-static int match_dev_by_uuid(struct device *dev, void *data)
+static int match_dev_by_uuid(struct device *dev, const void *data)
{
- struct uuidcmp *cmp = data;
+ const struct uuidcmp *cmp = data;
struct hd_struct *part = dev_to_part(dev);
if (!part->info)