linux-kernel - [PATCH net v3] selftest: af_unix: Fix kselftest compilation warnings

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Message-Id: <20240814080743.1156166-1-jain.abhinav177@gmail.com>
Date: Wed, 14 Aug 2024 13:37:43 +0530
From: Abhinav Jain <jain.abhinav177@...il.com>
To: davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	shuah@...nel.org,
	netdev@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: skhan@...uxfoundation.org,
	javier.carrasco.cruz@...il.com,
	Abhinav Jain <jain.abhinav177@...il.com>,
	Kuniyuki Iwashima <kuniyu@...zon.com>
Subject: [PATCH net v3] selftest: af_unix: Fix kselftest compilation warnings

Change expected_buf from (const void *) to (const char *)
in function __recvpair().
This change fixes the below warnings during test compilation:

```
In file included from msg_oob.c:14:
msg_oob.c: In function ‘__recvpair’:

../../kselftest_harness.h:106:40: warning: format ‘%s’ expects argument
of type ‘char *’,but argument 6 has type ‘const void *’ [-Wformat=]

../../kselftest_harness.h:101:17: note: in expansion of macro ‘__TH_LOG’
msg_oob.c:235:17: note: in expansion of macro ‘TH_LOG’

../../kselftest_harness.h:106:40: warning: format ‘%s’ expects argument
of type ‘char *’,but argument 6 has type ‘const void *’ [-Wformat=]

../../kselftest_harness.h:101:17: note: in expansion of macro ‘__TH_LOG’
msg_oob.c:259:25: note: in expansion of macro ‘TH_LOG’
```

Fixes: d098d77232c3 ("selftest: af_unix: Add msg_oob.c.")
Signed-off-by: Abhinav Jain <jain.abhinav177@...il.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@...zon.com>
---

v2:
https://lore.kernel.org/all/20240812191122.1092806-1-jain.abhinav177@gmail.com/

- Change the parameter expected_buf from (const void *) to (const char *)
  in the function __recvpair() as per the feedback in v1.
- Add Fixes tag as per feedback in v1.

v1:
https://lore.kernel.org/netdev/20240810134037.669765-1-jain.abhinav177@gmail.com
---
 tools/testing/selftests/net/af_unix/msg_oob.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/net/af_unix/msg_oob.c b/tools/testing/selftests/net/af_unix/msg_oob.c
index 16d0c172eaeb..535eb2c3d7d1 100644
--- a/tools/testing/selftests/net/af_unix/msg_oob.c
+++ b/tools/testing/selftests/net/af_unix/msg_oob.c
@@ -209,7 +209,7 @@ static void __sendpair(struct __test_metadata *_metadata,
 
 static void __recvpair(struct __test_metadata *_metadata,
 		       FIXTURE_DATA(msg_oob) *self,
-		       const void *expected_buf, int expected_len,
+		       const char *expected_buf, int expected_len,
 		       int buf_len, int flags)
 {
 	int i, ret[2], recv_errno[2], expected_errno = 0;
-- 
2.34.1