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-rw-r--r--plugins/mm-modem-sierra.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/plugins/mm-modem-sierra.c b/plugins/mm-modem-sierra.c
index d3f12629..69a7af30 100644
--- a/plugins/mm-modem-sierra.c
+++ b/plugins/mm-modem-sierra.c
@@ -150,7 +150,7 @@ grab_port (MMModem *modem,
port = mm_generic_gsm_grab_port (gsm, subsys, name, ptype, error);
- if (MM_IS_SERIAL_PORT (port))
+ if (port && MM_IS_SERIAL_PORT (port))
g_object_set (G_OBJECT (port), MM_PORT_CARRIER_DETECT, FALSE, NULL);
return !!port;