mobile: mncc_call(): make *number argument const

Change-Id: I4558ce1313b8e9aadd73474a6514c136aa512de3
---
M src/host/layer23/include/osmocom/bb/mobile/mncc_ms.h
M src/host/layer23/src/mobile/mnccms.c
M src/host/layer23/src/mobile/vty_interface.c
3 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/src/host/layer23/include/osmocom/bb/mobile/mncc_ms.h b/src/host/layer23/include/osmocom/bb/mobile/mncc_ms.h
index 49ce1a4..705c681 100644
--- a/src/host/layer23/include/osmocom/bb/mobile/mncc_ms.h
+++ b/src/host/layer23/include/osmocom/bb/mobile/mncc_ms.h
@@ -1,6 +1,6 @@
 #pragma once
 
-int mncc_call(struct osmocom_ms *ms, char *number);
+int mncc_call(struct osmocom_ms *ms, const char *number);
 int mncc_hangup(struct osmocom_ms *ms);
 int mncc_answer(struct osmocom_ms *ms);
 int mncc_hold(struct osmocom_ms *ms);
diff --git a/src/host/layer23/src/mobile/mnccms.c b/src/host/layer23/src/mobile/mnccms.c
index 6add5d5..a068ee9 100644
--- a/src/host/layer23/src/mobile/mnccms.c
+++ b/src/host/layer23/src/mobile/mnccms.c
@@ -533,7 +533,7 @@
 	return 0;
 }
 
-int mncc_call(struct osmocom_ms *ms, char *number)
+int mncc_call(struct osmocom_ms *ms, const char *number)
 {
 	struct gsm_call *call;
 	struct gsm_mncc setup;
diff --git a/src/host/layer23/src/mobile/vty_interface.c b/src/host/layer23/src/mobile/vty_interface.c
index 2a09608..ea355b3 100644
--- a/src/host/layer23/src/mobile/vty_interface.c
+++ b/src/host/layer23/src/mobile/vty_interface.c
@@ -497,7 +497,7 @@
 	struct osmocom_ms *ms;
 	struct gsm_settings *set;
 	struct gsm_settings_abbrev *abbrev;
-	char *number;
+	const char *number;
 
 	ms = l23_vty_get_ms(argv[0], vty);
 	if (!ms)
@@ -510,7 +510,7 @@
 		return CMD_WARNING;
 	}
 
-	number = (char *)argv[1];
+	number = argv[1];
 	if (!strcmp(number, "emergency"))
 		mncc_call(ms, number);
 	else if (!strcmp(number, "answer"))

