[PATCH 3/3] HID: bpf: make bus_type const in struct hid_bpf_ops

From: Greg Kroah-Hartman
Date: Wed Dec 20 2023 - 02:40:14 EST


The struct bus_type pointer in hid_bpf_ops just passes the pointer to
the driver core, and the driver core can handle, and expects, a constant
pointer, so also make the pointer constant in hid_bpf_ops.

Part of the process of moving all usages of struct bus_type to be
constant to move them all to read-only memory.

Cc: Jiri Kosina <jikos@xxxxxxxxxx>
Cc: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
Cc: linux-input@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
include/linux/hid_bpf.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/hid_bpf.h b/include/linux/hid_bpf.h
index e9afb61e6ee0..840cd254172d 100644
--- a/include/linux/hid_bpf.h
+++ b/include/linux/hid_bpf.h
@@ -115,7 +115,7 @@ struct hid_bpf_ops {
size_t len, enum hid_report_type rtype,
enum hid_class_request reqtype);
struct module *owner;
- struct bus_type *bus_type;
+ const struct bus_type *bus_type;
};

extern struct hid_bpf_ops *hid_bpf_ops;
--
2.43.0