netdev - [PATCH v2] selftests/net: replace manual array size calc with ARRAYSIZE macro.

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Date: Sun, 16 Jul 2023 13:02:00 +0400
From: Mahmoud Maatuq <mahmoudmatook.mm@...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: linux-kernel-mentees@...ts.linuxfoundation.org,
	Mahmoud Maatuq <mahmoudmatook.mm@...il.com>
Subject: [PATCH v2] selftests/net: replace manual array size calc with ARRAYSIZE macro.

fixes coccinelle WARNING: Use ARRAY_SIZE

changelog since v1:
 - remove unnecessary extra new line

changelog since v0:
 - update net/Makefile to include kselftest.h
 - remove redefinition of ARRAYSIZE.

Signed-off-by: Mahmoud Maatuq <mahmoudmatook.mm@...il.com>
---
 tools/testing/selftests/net/Makefile          | 2 ++
 tools/testing/selftests/net/csum.c            | 6 ++----
 tools/testing/selftests/net/hwtstamp_config.c | 4 +---
 3 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile
index 7f3ab2a93ed6..a06cc25489f9 100644
--- a/tools/testing/selftests/net/Makefile
+++ b/tools/testing/selftests/net/Makefile
@@ -3,6 +3,8 @@
 
 CFLAGS =  -Wall -Wl,--no-as-needed -O2 -g
 CFLAGS += -I../../../../usr/include/ $(KHDR_INCLUDES)
+# Additional include paths needed by kselftest.h
+CFLAGS += -I../
 
 TEST_PROGS := run_netsocktests run_afpackettests test_bpf.sh netdevice.sh \
 	      rtnetlink.sh xfrm_policy.sh test_blackhole_dev.sh
diff --git a/tools/testing/selftests/net/csum.c b/tools/testing/selftests/net/csum.c
index 702f34a9d506..90eb06fefa59 100644
--- a/tools/testing/selftests/net/csum.c
+++ b/tools/testing/selftests/net/csum.c
@@ -91,6 +91,8 @@
 #include <sys/types.h>
 #include <unistd.h>
 
+#include "kselftest.h"
+
 static bool cfg_bad_csum;
 static int cfg_family = PF_INET6;
 static int cfg_num_pkt = 4;
@@ -123,10 +125,6 @@ static struct sockaddr_in6 cfg_saddr6 = {.sin6_family = AF_INET6};
 #define MAX_HEADER_LEN	(sizeof(struct ipv6hdr) + ENC_HEADER_LEN + sizeof(struct tcphdr))
 #define MAX_PAYLOAD_LEN 1024
 
-#ifndef ARRAY_SIZE
-#define ARRAY_SIZE(x)	(sizeof(x) / sizeof((x)[0]))
-#endif
-
 /* Trivial demo encap. Stand-in for transport layer protocols like ESP or PSP */
 struct udp_encap_hdr {
 	uint8_t nexthdr;
diff --git a/tools/testing/selftests/net/hwtstamp_config.c b/tools/testing/selftests/net/hwtstamp_config.c
index 263cc1c34165..60970d98eb9b 100644
--- a/tools/testing/selftests/net/hwtstamp_config.c
+++ b/tools/testing/selftests/net/hwtstamp_config.c
@@ -16,9 +16,7 @@
 #include <linux/net_tstamp.h>
 #include <linux/sockios.h>
 
-#ifndef ARRAY_SIZE
-#define ARRAY_SIZE(x)	(sizeof(x) / sizeof((x)[0]))
-#endif
+#include "kselftest.h"
 
 static int
 lookup_value(const char **names, int size, const char *name)
-- 
2.34.1