pmc: goto out when get unknown management tlv

If handle unknown management tlv. The management message id and format are also unknown, thus we may crash due to access unknown area. Signed-off-by: Hangbin Liu <[email protected]>
SledgyAB · May 25, 2017 · 95b5a13 · 95b5a13
1 parent a216b11
commit 95b5a13
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/pmc.c b/pmc.c
@@ -217,6 +217,7 @@ static void pmc_show(struct ptp_message *msg, FILE *fp)
 		goto out;
 	} else {
 		fprintf(fp, "unknown-tlv ");
+		goto out;
 	}
 	mgt = (struct management_tlv *) msg->management.suffix;
 	if (mgt->length == 2 && mgt->id != TLV_NULL_MANAGEMENT) {