fst_rx_dma(struct fst_card_info *card, dma_addr_t skb,
	   dma_addr_t mem, int len)
{
	/*
	 * This routine will setup the DMA and start it
	 */

	dbg(DBG_RX, "In fst_rx_dma %lx %lx %d\n",
	    (unsigned long) skb, (unsigned long) mem, len);
	if (card->dmarx_in_progress) {
		dbg(DBG_ASS, "In fst_rx_dma while dma in progress\n");
	}

	outl(skb, card->pci_conf + DMAPADR0);	/* Copy to here */
	outl(mem, card->pci_conf + DMALADR0);	/* from here */
	outl(len, card->pci_conf + DMASIZ0);	/* for this length */
	outl(0x00000000c, card->pci_conf + DMADPR0);	/* In this direction */

	/*
	 * We use the dmarx_in_progress flag to flag the channel as busy
	 */
	card->dmarx_in_progress = 1;
	outb(0x03, card->pci_conf + DMACSR0);	/* Start the transfer */
}

This vulnerability category highlights issues in resource management where failures to properly release memory, file handles, or other resources can degrade system performance or enable denial-of-service conditions.