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"); }