Index: trunk/psModules/src/camera/pmFPAConstruct.c
===================================================================
--- trunk/psModules/src/camera/pmFPAConstruct.c	(revision 15477)
+++ trunk/psModules/src/camera/pmFPAConstruct.c	(revision 15652)
@@ -738,4 +738,8 @@
         // We're given a header, from which to identify what chip we've got, and its type
         const char *content = getContent(fileInfo, phdu->header, contents); // The contents of this chip
+        if (!content) {
+            psError(PS_ERR_UNKNOWN, false, "Unable to determine content of file.");
+            return false;
+        }
 
         int chipNum = -1;               // Chip number