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selftests: net: tcp_mmap: fix SO_RCVLOWAT setting

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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: 597b01edafac ("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>
This commit is contained in:
Eric Dumazet 2020-05-06 09:21:15 -07:00 committed by David S. Miller
parent f5dda315b6
commit a84724178b
1 changed files with 3 additions and 1 deletions
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4
tools/testing/selftests/net/tcp_mmap.c
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@ -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");
}