linux-kernel - [PATCH HID 1/4] selftests/hid: fix bpf

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Message-Id: <20240723-fix-6-11-bpf-v1-1-b9d770346784@kernel.org>
Date: Tue, 23 Jul 2024 18:21:51 +0200
From: Benjamin Tissoires <bentiss@...nel.org>
To: Jiri Kosina <jikos@...nel.org>, Shuah Khan <shuah@...nel.org>
Cc: linux-input@...r.kernel.org, linux-kselftest@...r.kernel.org, 
 linux-kernel@...r.kernel.org, bpf@...r.kernel.org, 
 Benjamin Tissoires <bentiss@...nel.org>
Subject: [PATCH HID 1/4] selftests/hid: fix bpf_wq new API

Since commit f56f4d541eab ("bpf: helpers: fix bpf_wq_set_callback_impl
signature"), the API for bpf_wq changed a bit.

We need to update the selftests/hid code to reflect that or the
bpf program will not load.

Signed-off-by: Benjamin Tissoires <bentiss@...nel.org>
---
 tools/testing/selftests/hid/progs/hid.c             | 2 +-
 tools/testing/selftests/hid/progs/hid_bpf_helpers.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/hid/progs/hid.c b/tools/testing/selftests/hid/progs/hid.c
index ee9bbbcf751b..5ecc845ef792 100644
--- a/tools/testing/selftests/hid/progs/hid.c
+++ b/tools/testing/selftests/hid/progs/hid.c
@@ -455,7 +455,7 @@ struct {
 	__type(value, struct elem);
 } hmap SEC(".maps");
 
-static int wq_cb_sleepable(void *map, int *key, struct bpf_wq *work)
+static int wq_cb_sleepable(void *map, int *key, void *work)
 {
 	__u8 buf[9] = {2, 3, 4, 5, 6, 7, 8, 9, 10};
 	struct hid_bpf_ctx *hid_ctx;
diff --git a/tools/testing/selftests/hid/progs/hid_bpf_helpers.h b/tools/testing/selftests/hid/progs/hid_bpf_helpers.h
index cfe37f491906..e5db897586bb 100644
--- a/tools/testing/selftests/hid/progs/hid_bpf_helpers.h
+++ b/tools/testing/selftests/hid/progs/hid_bpf_helpers.h
@@ -114,7 +114,7 @@ extern int hid_bpf_try_input_report(struct hid_bpf_ctx *ctx,
 extern int bpf_wq_init(struct bpf_wq *wq, void *p__map, unsigned int flags) __weak __ksym;
 extern int bpf_wq_start(struct bpf_wq *wq, unsigned int flags) __weak __ksym;
 extern int bpf_wq_set_callback_impl(struct bpf_wq *wq,
-		int (callback_fn)(void *map, int *key, struct bpf_wq *wq),
+		int (callback_fn)(void *map, int *key, void *wq),
 		unsigned int flags__k, void *aux__ign) __ksym;
 #define bpf_wq_set_callback(timer, cb, flags) \
 	bpf_wq_set_callback_impl(timer, cb, flags, NULL)

-- 
2.44.0