Make all hex-dumping truly thread-safe.

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers.c b/drivers.c
index 9c6eed26..4933004f 100644
--- a/drivers.c
+++ b/drivers.c
@@ -971,7 +971,8 @@ static gps_mask_t rtcm104v2_analyze(struct gps_device_t *session)
 		    session->gpsdata.rtcm2.type,
 		    session->gpsdata.rtcm2.length + 2,
 		    session->packet.isgps.buflen,
-		    gpsd_hexdump((char *)session->packet.isgps.buf,
+		    gpsd_hexdump(session->msgbuf, sizeof(session->msgbuf),
+				 (char *)session->packet.isgps.buf,
 				 (session->gpsdata.rtcm2.length +
 				  2) * sizeof(isgps30bits_t)));
     session->cycle_end_reliable = true;
@@ -1353,7 +1354,8 @@ static bool aivdm_decode(const char *buf, size_t buflen,
 	    gpsd_report(session->context->debug, LOG_INF,
 			"AIVDM payload is %zd bits, %zd chars: %s\n",
 			ais_context->bitlen, clen,
-			gpsd_hexdump((char *)ais_context->bits, clen));
+			gpsd_hexdump(session->msgbuf, sizeof(session->msgbuf),
+				     (char *)ais_context->bits, clen));
 	}
 
         /* clear waiting fragments count */