Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 82 insertions, 0 deletions

diff --git a/drivers/isdn/divert/divert_init.c b/drivers/isdn/divert/divert_init.c
new file mode 100644
index 000000000..267dede13
--- /dev/null
+++ b/drivers/isdn/divert/divert_init.c
@@ -0,0 +1,82 @@
+/* $Id divert_init.c,v 1.5.6.2 2001/01/24 22:18:17 kai Exp $
+ *
+ * Module init for DSS1 diversion services for i4l.
+ *
+ * Copyright 1999       by Werner Cornelius (werner@isdn4linux.de)
+ *
+ * This software may be used and distributed according to the terms
+ * of the GNU General Public License, incorporated herein by reference.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+
+#include "isdn_divert.h"
+
+MODULE_DESCRIPTION("ISDN4Linux: Call diversion support");
+MODULE_AUTHOR("Werner Cornelius");
+MODULE_LICENSE("GPL");
+
+/****************************************/
+/* structure containing interface to hl */
+/****************************************/
+isdn_divert_if divert_if = {
+	DIVERT_IF_MAGIC,	/* magic value */
+	DIVERT_CMD_REG,		/* register cmd */
+	ll_callback,		/* callback routine from ll */
+	NULL,			/* command still not specified */
+	NULL,			/* drv_to_name */
+	NULL,			/* name_to_drv */
+};
+
+/*************************/
+/* Module interface code */
+/* no cmd line parms     */
+/*************************/
+static int __init divert_init(void)
+{
+	int i;
+
+	if (divert_dev_init()) {
+		printk(KERN_WARNING "dss1_divert: cannot install device, not loaded\n");
+		return (-EIO);
+	}
+	if ((i = DIVERT_REG_NAME(&divert_if)) != DIVERT_NO_ERR) {
+		divert_dev_deinit();
+		printk(KERN_WARNING "dss1_divert: error %d registering module, not loaded\n", i);
+		return (-EIO);
+	}
+	printk(KERN_INFO "dss1_divert module successfully installed\n");
+	return (0);
+}
+
+/**********************/
+/* Module deinit code */
+/**********************/
+static void __exit divert_exit(void)
+{
+	unsigned long flags;
+	int i;
+
+	spin_lock_irqsave(&divert_lock, flags);
+	divert_if.cmd = DIVERT_CMD_REL; /* release */
+	if ((i = DIVERT_REG_NAME(&divert_if)) != DIVERT_NO_ERR) {
+		printk(KERN_WARNING "dss1_divert: error %d releasing module\n", i);
+		spin_unlock_irqrestore(&divert_lock, flags);
+		return;
+	}
+	if (divert_dev_deinit()) {
+		printk(KERN_WARNING "dss1_divert: device busy, remove cancelled\n");
+		spin_unlock_irqrestore(&divert_lock, flags);
+		return;
+	}
+	spin_unlock_irqrestore(&divert_lock, flags);
+	deleterule(-1); /* delete all rules and free mem */
+	deleteprocs();
+	printk(KERN_INFO "dss1_divert module successfully removed \n");
+}
+
+module_init(divert_init);
+module_exit(divert_exit);