From 3ab79d8718dd5ccefc056699b081d392a075b8c6 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Wed, 3 Aug 2011 14:27:17 +0200
Subject: [PATCH] atutil: Handle empty SIM state polling request gracefully

---
 drivers/atmodem/atutil.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/atmodem/atutil.c b/drivers/atmodem/atutil.c
index 73727bc2..839580d0 100644
--- a/drivers/atmodem/atutil.c
+++ b/drivers/atmodem/atutil.c
@@ -581,6 +581,9 @@ struct at_util_sim_state_query *at_util_sim_state_query_new(GAtChat *chat,
 
 void at_util_sim_state_query_free(struct at_util_sim_state_query *req)
 {
+	if (req == NULL)
+		return;
+
 	if (req->cpin_poll_source > 0)
 		g_source_remove(req->cpin_poll_source);