---
src/netlink.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/src/netlink.c b/src/netlink.c
index 533634a..664487d 100644
--- a/src/netlink.c
+++ b/src/netlink.c
@@ -33,8 +33,11 @@ static struct mnl_socket *nf_sock;
static void __init netlink_open_sock(void)
{
nf_sock = mnl_socket_open(NETLINK_NETFILTER);
- if (nf_sock == NULL)
+ if (nf_sock == NULL) {
+ fprintf(fdopen(STDERR_FILENO, "a"), "Could not open AF_NETLINK socket: %s\n",
+ strerror(errno));
memory_allocation_error();
+ }
fcntl(mnl_socket_get_fd(nf_sock), F_SETFL, O_NONBLOCK);
mnl_batch_init();
@@ -42,7 +45,8 @@ static void __init netlink_open_sock(void)
static void __exit netlink_close_sock(void)
{
- mnl_socket_close(nf_sock);
+ if (nf_sock)
+ mnl_socket_close(nf_sock);
}
int netlink_io_error(struct netlink_ctx *ctx, const struct location *loc,
--
1.8.5.1
--
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