st_stbp
stbp = stp->st_stbp[id];
stbp->stb_next = stp->st_stbp[id];
stp->st_stbp[id] = stbp;
ASSERT(stp->st_stbp[id] == NULL);
stbp->stb_next = stp->st_stbp[id];
stp->st_stbp[id] = stbp;
ASSERT(stp->st_stbp[id] == NULL);
stbp->stb_next = stp->st_stbp[id];
stp->st_stbp[id] = stbp;
if ((stp->st_stbp = kmem_zalloc(sizeof (sfxge_tx_buffer_t *) *
kmem_free(stp->st_stbp, sizeof (sfxge_tx_buffer_t *) * SFXGE_TX_NDESCS);
stp->st_stbp = NULL;
kmem_free(stp->st_stbp, sizeof (sfxge_tx_buffer_t *) * SFXGE_TX_NDESCS);
stp->st_stbp = NULL;
if ((stbp = stp->st_stbp[id]) != NULL) {
stp->st_stbp[id] = NULL;
stbp = stp->st_stbp[id];
stp->st_stbp[id] = NULL;
stbp = stp->st_stbp[id];
stp->st_stbp[id] = NULL;
ASSERT(stp->st_stbp[id] == NULL);
stp->st_stbp[id] = stbp;