dvb: fix the table parsing logic to avoid segfaults

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/utils/dvb/dvb-file.c b/utils/dvb/dvb-file.c
index eb269b4..e1f2195 100644 (file)
--- a/utils/dvb/dvb-file.c
+++ b/utils/dvb/dvb-file.c
@@ -141,7 +141,7 @@ struct dvb_file *parse_format_oneline(const char *fname,
                        }
                        if (table->size) {
                                for (j = 0; j < table->size; j++)
-                                       if (!strcasecmp(table->table[j], p))
+                                       if (!table->table[j] || !strcasecmp(table->table[j], p))
                                                break;
                                if (j == table->size) {
                                        sprintf(err_msg, "parameter %s invalid: %s",