fix potential null pointer

13 years ago · 8d797fec3c
1 changed files with 1 additions and 1 deletions
--- a/ArduPlane/GCS_Mavlink.pde
+++ b/ArduPlane/GCS_Mavlink.pde
@ -142,7 +142,7 @@ static NOINLINE void send_extended_status1(mavlink_channel_t chan, uint16_t pack
				@@ -142,7 +142,7 @@ static NOINLINE void send_extended_status1(mavlink_channel_t chan, uint16_t pack
        control_sensors_present |= (1<<2); // compass present
    }
    control_sensors_present |= (1<<3); // absolute pressure sensor present
-    if (g_gps->fix) {
+    if (g_gps != NULL && g_gps->fix) {
        control_sensors_present |= (1<<5); // GPS present
    }
    control_sensors_present |= (1<<10); // 3D angular rate control