linux-kernel - [PATCH bpf-next] selftests/bpf: Fix compile error of bin

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Message-ID: <tencent_A6502A28AF21A3CA88B106F3421159869708@qq.com>
Date: Wed,  4 Jun 2025 13:53:22 +0800
From: Rong Tao <rtoax@...mail.com>
To: andrii@...nel.org,
	eddyz87@...il.com
Cc: rongtao@...tc.cn,
	rtoax@...mail.com,
	Mykola Lysenko <mykolal@...com>,
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	Yonghong Song <yonghong.song@...ux.dev>,
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	bpf@...r.kernel.org (open list:BPF [SELFTESTS] (Test Runners & Infrastructure)),
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Subject: [PATCH bpf-next] selftests/bpf: Fix compile error of bin_attribute::read/write()

From: Rong Tao <rongtao@...tc.cn>

Since commit 97d06802d10a ("sysfs: constify bin_attribute argument of
bin_attribute::read/write()"), make bin_attribute parameter of
bin_attribute::read/write() const.

Signed-off-by: Rong Tao <rongtao@...tc.cn>
---
 tools/testing/selftests/bpf/test_kmods/bpf_testmod.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/bpf/test_kmods/bpf_testmod.c b/tools/testing/selftests/bpf/test_kmods/bpf_testmod.c
index e6c248e3ae54..e9e918cdf31f 100644
--- a/tools/testing/selftests/bpf/test_kmods/bpf_testmod.c
+++ b/tools/testing/selftests/bpf/test_kmods/bpf_testmod.c
@@ -385,7 +385,7 @@ int bpf_testmod_fentry_ok;
 
 noinline ssize_t
 bpf_testmod_test_read(struct file *file, struct kobject *kobj,
-		      struct bin_attribute *bin_attr,
+		      const struct bin_attribute *bin_attr,
 		      char *buf, loff_t off, size_t len)
 {
 	struct bpf_testmod_test_read_ctx ctx = {
@@ -465,7 +465,7 @@ ALLOW_ERROR_INJECTION(bpf_testmod_test_read, ERRNO);
 
 noinline ssize_t
 bpf_testmod_test_write(struct file *file, struct kobject *kobj,
-		      struct bin_attribute *bin_attr,
+		      const struct bin_attribute *bin_attr,
 		      char *buf, loff_t off, size_t len)
 {
 	struct bpf_testmod_test_write_ctx ctx = {
@@ -567,7 +567,7 @@ static void testmod_unregister_uprobe(void)
 
 static ssize_t
 bpf_testmod_uprobe_write(struct file *file, struct kobject *kobj,
-			 struct bin_attribute *bin_attr,
+			 const struct bin_attribute *bin_attr,
 			 char *buf, loff_t off, size_t len)
 {
 	unsigned long offset = 0;
-- 
2.49.0