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Avoid calling ep_alloc for 0 bytes. 

svn path=/trunk/; revision=21121
This commit is contained in:
Luis Ontanon 2007-03-22 21:51:56 +00:00
parent a8f4da5ead
commit e9bb1d5670
1 changed files with 9 additions and 9 deletions
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12
epan/dissectors/packet-sctp.c
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@ -586,16 +586,16 @@ typedef struct _sctp_tsn_t {
static emem_tree_key_t*
make_address_key(guint32 spt, guint32 dpt, address *addr)
{
emem_tree_key_t *k = ep_alloc(sizeof(emem_tree_key_t)*8);
emem_tree_key_t *k = ep_alloc(sizeof(emem_tree_key_t)*6);
k[0].length = 1; k[0].key = ep_memdup(&spt,sizeof(spt));
k[1].length = 1; k[1].key = ep_memdup(&dpt,sizeof(dpt));
k[2].length = 1; k[2].key = &(addr->type);
k[3].length = 1; k[3].key = &(addr->len);
k[3].length = 1; k[3].key = (guint32*)&(addr->len);
k[4].length = ((addr->len/4)+(addr->len%4? 1 : 0));
k[4].key = ep_alloc0(((addr->len/4)+(addr->len%4? 1 : 0))*4);
memcpy(k[4].key, addr->data, addr->len);
k[4].length = ((addr->len/4)+1);
k[4].key = ep_alloc0(((addr->len/4)+1)*4);
if (addr->len) memcpy(k[4].key, addr->data, addr->len);
k[5].length = 0; k[5].key = NULL;
@ -657,7 +657,7 @@ get_half_assoc(packet_info *pinfo, guint32 spt, guint32 dpt, guint32 vtag)
if (( hb = emem_tree_lookup32_array(dirs_by_ptaddr, k) )) {
/*the table contains a pointer to a pointer to a half */
if (! *hb) {
/* if there is no half pointed by this add the current half to the table */
/* if there is no half pointed by this, add the current half to the table */
*hb = ha;
} else {
/* there's a half pointed by this, assume it's our peer and clear the table's pointer */