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HID: constify parameter rdesc of hid_parse_report()

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The parameter is never modified, so mark it as const.

This is a prerequisite for constification changes in the HID core.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://patch.msgid.link/20240803-hid-const-fixup-v2-2-f53d7a7b29d8@weissschuh.net
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
This commit is contained in:
Thomas Weißschuh 2024-08-03 14:34:18 +02:00 committed by Benjamin Tissoires
parent a707f85d47
commit 6737769ca0
2 changed files with 2 additions and 2 deletions
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2
drivers/hid/hid-core.c
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@ -946,7 +946,7 @@ static int hid_scan_report(struct hid_device *hid)
* Allocate the device report as read by the bus driver. This function should
* only be called from parse() in ll drivers.
*/
int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
int hid_parse_report(struct hid_device *hid, const __u8 *start, unsigned size)
{
hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
if (!hid->dev_rdesc)

2
include/linux/hid.h
View File

@ -953,7 +953,7 @@ struct hid_device *hid_allocate_device(void);
struct hid_report *hid_register_report(struct hid_device *device,
enum hid_report_type type, unsigned int id,
unsigned int application);
int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size);
int hid_parse_report(struct hid_device *hid, const __u8 *start, unsigned size);
struct hid_report *hid_validate_values(struct hid_device *hid,
enum hid_report_type type, unsigned int id,
unsigned int field_index,