From: Eric Dumazet edumazet@google.com
[ Upstream commit a84724178bd7081cf3bd5b558616dd6a9a4ca63b ]
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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- tools/testing/selftests/net/tcp_mmap.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/tools/testing/selftests/net/tcp_mmap.c +++ b/tools/testing/selftests/net/tcp_mmap.c @@ -282,12 +282,14 @@ static void setup_sockaddr(int domain, c 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"); }