Reject the packet if data is NULL.

svn path=/trunk/; revision=53835
This commit is contained in:
Chris Maynard 2013-12-07 23:27:36 +00:00
parent 4904620661
commit 7d10a416a3
1 changed files with 9 additions and 4 deletions

View File

@ -190,13 +190,13 @@ const value_string etype_vals[] = {
static void eth_prompt(packet_info *pinfo, gchar* result)
{
g_snprintf(result, MAX_DECODE_AS_PROMPT_LEN, "Ethertype 0x%04x as",
GPOINTER_TO_UINT(p_get_proto_data(pinfo->pool, pinfo, proto_ethertype, 0)));
g_snprintf(result, MAX_DECODE_AS_PROMPT_LEN, "Ethertype 0x%04x as",
GPOINTER_TO_UINT(p_get_proto_data(pinfo->pool, pinfo, proto_ethertype, 0)));
}
static gpointer eth_value(packet_info *pinfo)
{
return p_get_proto_data(pinfo->pool, pinfo, proto_ethertype, 0);
return p_get_proto_data(pinfo->pool, pinfo, proto_ethertype, 0);
}
static void add_dix_trailer(packet_info *pinfo, proto_tree *tree, proto_tree *fh_tree,
@ -256,7 +256,12 @@ dissect_ethertype(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *dat
volatile gboolean dissector_found = FALSE;
const char *volatile saved_proto;
void *pd_save;
ethertype_data_t* ethertype_data = (ethertype_data_t*)data;
ethertype_data_t* ethertype_data;
/* Reject the packet if data is NULL */
if (data == NULL)
return 0;
ethertype_data = (ethertype_data_t*)data;
/* Add the Ethernet type to the protocol tree */
proto_tree_add_uint(ethertype_data->fh_tree, ethertype_data->etype_id, tvb,