MT#55283 shutdown: close/delete kernel interface

Change-Id: Ie638cd2d33a7f0c5d570048a28444cd0333f5a45

daemon/kernel.c

@@ -139,6 +139,14 @@ int kernel_setup_table(unsigned int id) {
 	return 0;
 }
 
+void kernel_shutdown_table(void) {
+	if (!kernel.is_open)
+		return;
+	// ignore errors
+	close(kernel.fd);
+	kernel_delete_table(kernel.table);
+}
+
 
 int kernel_add_stream(struct rtpengine_target_info *mti) {
 	struct rtpengine_command_add_target cmd;

daemon/main.c

@@ -1456,6 +1456,7 @@ int main(int argc, char **argv) {
 #ifndef WITHOUT_NFTABLES
 	nftables_shutdown(rtpe_config.nftables_chain, rtpe_config.nftables_base_chain);
 #endif
+	kernel_shutdown_table();
 
 	return 0;
 }

include/kernel.h

@@ -35,6 +35,7 @@ extern struct kernel_interface kernel;
 
 
 int kernel_setup_table(unsigned int);
+void kernel_shutdown_table(void);
 
 int kernel_add_stream(struct rtpengine_target_info *);
 int kernel_add_destination(struct rtpengine_destination_info *);