From f6f6b1f8ac4c025e50045c3e4fb3ab049d0b9718 Mon Sep 17 00:00:00 2001
From: Aki Niemi <aki.niemi@nokia.com>
Date: Mon, 7 Feb 2011 09:44:50 +0200
Subject: gisi: Add checks for NULL

---
 gisi/modem.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'gisi')

diff --git a/gisi/modem.c b/gisi/modem.c
index 3a0886bb..8c9eb1dd 100644
--- a/gisi/modem.c
+++ b/gisi/modem.c
@@ -502,14 +502,22 @@ GIsiModem *g_isi_modem_create_by_name(const char *name)
 
 void *g_isi_modem_set_userdata(GIsiModem *modem, void *data)
 {
-	void *old = modem->opaque;
+	void *old;
 
+	if (modem == NULL)
+		return NULL;
+
+	old = modem->opaque;
 	modem->opaque = data;
+
 	return old;
 }
 
 void *g_isi_modem_get_userdata(GIsiModem *modem)
 {
+	if (modem == NULL)
+		return NULL;
+
 	return modem->opaque;
 }
 
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