From 5c46d829541076e3e2adb817cf287bf8c18de724 Mon Sep 17 00:00:00 2001 From: Přemysl Janouch Date: Tue, 18 Jul 2017 23:05:43 +0200 Subject: priod: make sure it compiles on older kernels --- priod.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/priod.c b/priod.c index 0996ee2..6569bb5 100644 --- a/priod.c +++ b/priod.c @@ -368,7 +368,7 @@ on_event (const struct pollfd *pfd, struct app_context *ctx) (struct sockaddr *) &addr, &addr_len); if (len == 0) exit_fatal ("socket closed"); - if (len < 0 && errno == EAGAIN) + if (len < 0 && (errno == EAGAIN || errno == ENOBUFS)) return; if (len < 0) exit_fatal ("recvfrom: %s", strerror (errno)); @@ -476,9 +476,12 @@ setup_exec_filter (int fd) struct sock_fprog fprog = { .filter = filter, .len = N_ELEMENTS (filter) }; const int yes = 1; - if (setsockopt (fd, SOL_SOCKET, SO_ATTACH_FILTER, &fprog, sizeof fprog) < 0 - || setsockopt (fd, SOL_NETLINK, NETLINK_NO_ENOBUFS, &yes, sizeof yes) < 0) + if (setsockopt (fd, SOL_SOCKET, SO_ATTACH_FILTER, &fprog, sizeof fprog) < 0) print_error ("setsockopt: %s", strerror (errno)); +#if defined SOL_NETLINK && defined NETLINK_NO_ENOBUFS + if (setsockopt (fd, SOL_NETLINK, NETLINK_NO_ENOBUFS, &yes, sizeof yes) < 0) + print_error ("setsockopt: %s", strerror (errno)); +#endif } int -- cgit v1.2.3-70-g09d2