Index: translate.c
===================================================================
--- translate.c	(revision 23612)
+++ translate.c	(working copy)
@@ -158,12 +158,16 @@
 	if (f->samples == 0) {
 		ast_log(LOG_WARNING, "no samples for %s\n", pvt->t->name);
 	}
+	if( f->data == NULL ) {
+		ast_log(LOG_ERROR, "NULL pointer in frame data for %s\n", pvt->t->name);
+		return -1;
+	}
 	if (pvt->t->buffer_samples) {	/* do not pass empty frames to callback */
 		if (f->datalen == 0) { /* perform PLC with nominal framesize of 20ms/160 samples */
 			if (pvt->plc) {
 				int l = pvt->t->plc_samples;
 				if (pvt->samples + l > pvt->t->buffer_samples) {
-					ast_log(LOG_WARNING, "Out of buffer space\n");
+					ast_log(LOG_ERROR, "Out of buffer space for %s\n", pvt->t->name);
 					return -1;
 				}
 				l = plc_fillin(pvt->plc, dst + pvt->samples, l);
@@ -172,7 +176,7 @@
 			return 0;
 		}
 		if (pvt->samples + f->samples > pvt->t->buffer_samples) {
-			ast_log(LOG_WARNING, "Out of buffer space\n");
+			ast_log(LOG_ERROR, "Out of buffer space for %s\n", pvt->t->name);
 			return -1;
 		}
 	}