linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] selftests: net: fix array_size.cocci warning
@ 2022-03-05 16:18 Guo Zhengkui
  2022-03-07 12:30 ` patchwork-bot+netdevbpf
  0 siblings, 1 reply; 5+ messages in thread
From: Guo Zhengkui @ 2022-03-05 16:18 UTC (permalink / raw)
  To: David S. Miller, Jakub Kicinski, Shuah Khan, Alexei Starovoitov,
	Daniel Borkmann, Andrii Nakryiko, Martin KaFai Lau, Song Liu,
	Yonghong Song, John Fastabend, KP Singh, netdev, linux-kselftest,
	bpf, linux-kernel
  Cc: Guo Zhengkui

Fit the following coccicheck warning:
tools/testing/selftests/net/reuseport_bpf_numa.c:89:28-29:
WARNING: Use ARRAY_SIZE.

It has been tested with gcc (Debian 8.3.0-6) 8.3.0 on x86_64.

Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
---
 tools/testing/selftests/net/reuseport_bpf_numa.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/net/reuseport_bpf_numa.c b/tools/testing/selftests/net/reuseport_bpf_numa.c
index b2eebf669b8c..c9ba36aa688e 100644
--- a/tools/testing/selftests/net/reuseport_bpf_numa.c
+++ b/tools/testing/selftests/net/reuseport_bpf_numa.c
@@ -86,7 +86,7 @@ static void attach_bpf(int fd)
 
 	memset(&attr, 0, sizeof(attr));
 	attr.prog_type = BPF_PROG_TYPE_SOCKET_FILTER;
-	attr.insn_cnt = sizeof(prog) / sizeof(prog[0]);
+	attr.insn_cnt = ARRAY_SIZE(prog);
 	attr.insns = (unsigned long) &prog;
 	attr.license = (unsigned long) &bpf_license;
 	attr.log_buf = (unsigned long) &bpf_log_buf;
-- 
2.20.1


^ permalink raw reply related	[flat|nested] 5+ messages in thread
* Re: [PATCH] selftests: net: fix array_size.cocci warning
  2022-03-05 16:18 [PATCH] selftests: net: fix array_size.cocci warning Guo Zhengkui
@ 2022-03-07 12:30 ` patchwork-bot+netdevbpf
  0 siblings, 0 replies; 5+ messages in thread
From: patchwork-bot+netdevbpf @ 2022-03-07 12:30 UTC (permalink / raw)
  To: Guo Zhengkui
  Cc: davem, kuba, shuah, ast, daniel, andrii, kafai, songliubraving,
	yhs, john.fastabend, kpsingh, netdev, linux-kselftest, bpf,
	linux-kernel

Hello:

This patch was applied to netdev/net-next.git (master)
by David S. Miller <davem@davemloft.net>:

On Sun,  6 Mar 2022 00:18:35 +0800 you wrote:
> Fit the following coccicheck warning:
> tools/testing/selftests/net/reuseport_bpf_numa.c:89:28-29:
> WARNING: Use ARRAY_SIZE.
> 
> It has been tested with gcc (Debian 8.3.0-6) 8.3.0 on x86_64.
> 
> Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
> 
> [...]

Here is the summary with links:
  - selftests: net: fix array_size.cocci warning
    https://git.kernel.org/netdev/net-next/c/0273d10182ec

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



^ permalink raw reply	[flat|nested] 5+ messages in thread
* Re: [PATCH] selftests: net: fix array_size.cocci warning
  2022-03-16  9:28 Guo Zhengkui
  2022-03-17 14:40 ` patchwork-bot+netdevbpf
@ 2022-03-17 15:22 ` Paolo Abeni
  1 sibling, 0 replies; 5+ messages in thread
From: Paolo Abeni @ 2022-03-17 15:22 UTC (permalink / raw)
  To: Guo Zhengkui, David S. Miller, Jakub Kicinski, Shuah Khan,
	Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko,
	Martin KaFai Lau, Song Liu, Yonghong Song, John Fastabend,
	KP Singh, open list:NETWORKING [GENERAL],
	open list:KERNEL SELFTEST FRAMEWORK, open list,
	open list:BPF (Safe dynamic programs and tools)
  Cc: zhengkui_guo

On Wed, 2022-03-16 at 17:28 +0800, Guo Zhengkui wrote:
> Fix array_size.cocci warning in tools/testing/selftests/net.
> 
> Use `ARRAY_SIZE(arr)` instead of forms like `sizeof(arr)/sizeof(arr[0])`.
> 
> It has been tested with gcc (Debian 8.3.0-6) 8.3.0.
> 
> Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>

This landed to net-next. Next time please specify a target tree in the
patch subj, thanks!

Paolo


^ permalink raw reply	[flat|nested] 5+ messages in thread
* Re: [PATCH] selftests: net: fix array_size.cocci warning
  2022-03-16  9:28 Guo Zhengkui
@ 2022-03-17 14:40 ` patchwork-bot+netdevbpf
  2022-03-17 15:22 ` Paolo Abeni
  1 sibling, 0 replies; 5+ messages in thread
From: patchwork-bot+netdevbpf @ 2022-03-17 14:40 UTC (permalink / raw)
  To: Guo Zhengkui
  Cc: davem, kuba, shuah, ast, daniel, andrii, kafai, songliubraving,
	yhs, john.fastabend, kpsingh, netdev, linux-kselftest,
	linux-kernel, bpf, zhengkui_guo

Hello:

This patch was applied to netdev/net-next.git (master)
by Paolo Abeni <pabeni@redhat.com>:

On Wed, 16 Mar 2022 17:28:57 +0800 you wrote:
> Fix array_size.cocci warning in tools/testing/selftests/net.
> 
> Use `ARRAY_SIZE(arr)` instead of forms like `sizeof(arr)/sizeof(arr[0])`.
> 
> It has been tested with gcc (Debian 8.3.0-6) 8.3.0.
> 
> Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
> 
> [...]

Here is the summary with links:
  - selftests: net: fix array_size.cocci warning
    https://git.kernel.org/netdev/net-next/c/1abea24af42c

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



^ permalink raw reply	[flat|nested] 5+ messages in thread
* [PATCH] selftests: net: fix array_size.cocci warning
@ 2022-03-16  9:28 Guo Zhengkui
  2022-03-17 14:40 ` patchwork-bot+netdevbpf
  2022-03-17 15:22 ` Paolo Abeni
  0 siblings, 2 replies; 5+ messages in thread
From: Guo Zhengkui @ 2022-03-16  9:28 UTC (permalink / raw)
  To: David S. Miller, Jakub Kicinski, Shuah Khan, Alexei Starovoitov,
	Daniel Borkmann, Andrii Nakryiko, Martin KaFai Lau, Song Liu,
	Yonghong Song, John Fastabend, KP Singh,
	open list:NETWORKING [GENERAL],
	open list:KERNEL SELFTEST FRAMEWORK, open list,
	open list:BPF (Safe dynamic programs and tools)
  Cc: zhengkui_guo, Guo Zhengkui

Fix array_size.cocci warning in tools/testing/selftests/net.

Use `ARRAY_SIZE(arr)` instead of forms like `sizeof(arr)/sizeof(arr[0])`.

It has been tested with gcc (Debian 8.3.0-6) 8.3.0.

Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
---
 tools/testing/selftests/net/cmsg_sender.c  | 4 +++-
 tools/testing/selftests/net/psock_fanout.c | 5 +++--
 tools/testing/selftests/net/toeplitz.c     | 6 ++++--
 3 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/tools/testing/selftests/net/cmsg_sender.c b/tools/testing/selftests/net/cmsg_sender.c
index aed7845c08a8..bc2162909a1a 100644
--- a/tools/testing/selftests/net/cmsg_sender.c
+++ b/tools/testing/selftests/net/cmsg_sender.c
@@ -16,6 +16,8 @@
 #include <linux/udp.h>
 #include <sys/socket.h>
 
+#include "../kselftest.h"
+
 enum {
 	ERN_SUCCESS = 0,
 	/* Well defined errors, callers may depend on these */
@@ -318,7 +320,7 @@ static const char *cs_ts_info2str(unsigned int info)
 		[SCM_TSTAMP_ACK]	= "ACK",
 	};
 
-	if (info < sizeof(names) / sizeof(names[0]))
+	if (info < ARRAY_SIZE(names))
 		return names[info];
 	return "unknown";
 }
diff --git a/tools/testing/selftests/net/psock_fanout.c b/tools/testing/selftests/net/psock_fanout.c
index 3653d6468c67..1a736f700be4 100644
--- a/tools/testing/selftests/net/psock_fanout.c
+++ b/tools/testing/selftests/net/psock_fanout.c
@@ -53,6 +53,7 @@
 #include <unistd.h>
 
 #include "psock_lib.h"
+#include "../kselftest.h"
 
 #define RING_NUM_FRAMES			20
 
@@ -117,7 +118,7 @@ static void sock_fanout_set_cbpf(int fd)
 	struct sock_fprog bpf_prog;
 
 	bpf_prog.filter = bpf_filter;
-	bpf_prog.len = sizeof(bpf_filter) / sizeof(struct sock_filter);
+	bpf_prog.len = ARRAY_SIZE(bpf_filter);
 
 	if (setsockopt(fd, SOL_PACKET, PACKET_FANOUT_DATA, &bpf_prog,
 		       sizeof(bpf_prog))) {
@@ -162,7 +163,7 @@ static void sock_fanout_set_ebpf(int fd)
 	memset(&attr, 0, sizeof(attr));
 	attr.prog_type = BPF_PROG_TYPE_SOCKET_FILTER;
 	attr.insns = (unsigned long) prog;
-	attr.insn_cnt = sizeof(prog) / sizeof(prog[0]);
+	attr.insn_cnt = ARRAY_SIZE(prog);
 	attr.license = (unsigned long) "GPL";
 	attr.log_buf = (unsigned long) log_buf,
 	attr.log_size = sizeof(log_buf),
diff --git a/tools/testing/selftests/net/toeplitz.c b/tools/testing/selftests/net/toeplitz.c
index c5489341cfb8..90026a27eac0 100644
--- a/tools/testing/selftests/net/toeplitz.c
+++ b/tools/testing/selftests/net/toeplitz.c
@@ -52,6 +52,8 @@
 #include <sys/types.h>
 #include <unistd.h>
 
+#include "../kselftest.h"
+
 #define TOEPLITZ_KEY_MIN_LEN	40
 #define TOEPLITZ_KEY_MAX_LEN	60
 
@@ -295,7 +297,7 @@ static void __set_filter(int fd, int off_proto, uint8_t proto, int off_dport)
 	struct sock_fprog prog = {};
 
 	prog.filter = filter;
-	prog.len = sizeof(filter) / sizeof(struct sock_filter);
+	prog.len = ARRAY_SIZE(filter);
 	if (setsockopt(fd, SOL_SOCKET, SO_ATTACH_FILTER, &prog, sizeof(prog)))
 		error(1, errno, "setsockopt filter");
 }
@@ -324,7 +326,7 @@ static void set_filter_null(int fd)
 	struct sock_fprog prog = {};
 
 	prog.filter = filter;
-	prog.len = sizeof(filter) / sizeof(struct sock_filter);
+	prog.len = ARRAY_SIZE(filter);
 	if (setsockopt(fd, SOL_SOCKET, SO_ATTACH_FILTER, &prog, sizeof(prog)))
 		error(1, errno, "setsockopt filter");
 }
-- 
2.20.1


^ permalink raw reply related	[flat|nested] 5+ messages in thread
end of thread, other threads:[~2022-03-17 15:23 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-03-05 16:18 [PATCH] selftests: net: fix array_size.cocci warning Guo Zhengkui
2022-03-07 12:30 ` patchwork-bot+netdevbpf
2022-03-16  9:28 Guo Zhengkui
2022-03-17 14:40 ` patchwork-bot+netdevbpf
2022-03-17 15:22 ` Paolo Abeni

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).