Assuming that code is not aware that reads from netlink socket may block, treat inability to set O_NONBLOCK flag as fatal initialization error aborting program execution. Signed-off-by: Phil Sutter <phil@xxxxxx> --- src/netlink.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/netlink.c b/src/netlink.c index c7adf8b409c69..06b1f57ae1948 100644 --- a/src/netlink.c +++ b/src/netlink.c @@ -59,7 +59,8 @@ struct mnl_socket *netlink_open_sock(void) if (nf_sock == NULL) netlink_init_error(); - fcntl(mnl_socket_get_fd(nf_sock), F_SETFL, O_NONBLOCK); + if (fcntl(mnl_socket_get_fd(nf_sock), F_SETFL, O_NONBLOCK)) + netlink_init_error(); return nf_sock; } -- 2.16.1 -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html