Commit a8472417 authored May 06, 2020 by Eric Dumazet Committed by David S. Miller May 06, 2020

selftests: net: tcp_mmap: fix SO_RCVLOWAT setting



Since chunk_size is no longer an integer, we can not
use it directly as an argument of setsockopt().

This patch should fix tcp_mmap for Big Endian kernels.

Fixes: 597b01ed ("selftests: net: avoid ptl lock contention in tcp_mmap")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Soheil Hassas Yeganeh <soheil@google.com>
Cc: Arjun Roy <arjunroy@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent f5dda315

tools/testing/selftests/net/tcp_mmap.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -282,12 +282,14 @@ static void setup_sockaddr(int domain, const char *str_addr,
		static void do_accept(int fdlisten)
		{
		pthread_attr_t attr;
		int rcvlowat;

		pthread_attr_init(&attr);
		pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);

		rcvlowat = chunk_size;
		if (setsockopt(fdlisten, SOL_SOCKET, SO_RCVLOWAT,
		&chunk_size, sizeof(chunk_size)) == -1) {
		&rcvlowat, sizeof(rcvlowat)) == -1) {
		perror("setsockopt SO_RCVLOWAT");
		}

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