static void xhci_segment_free(struct xhci_hcd *xhci, struct xhci_segment *seg)
{
- if (!seg)
- return;
if (seg->trbs) {
xhci_dbg(xhci, "Freeing DMA segment at %p (virtual) 0x%llx (DMA)\n",
seg->trbs, (unsigned long long)seg->dma);
struct xhci_segment *seg;
struct xhci_segment *first_seg;
- if (!ring || !ring->first_seg)
+ if (!ring)
return;
- first_seg = ring->first_seg;
- seg = first_seg->next;
- xhci_dbg(xhci, "Freeing ring at %p\n", ring);
- while (seg != first_seg) {
- struct xhci_segment *next = seg->next;
- xhci_segment_free(xhci, seg);
- seg = next;
+ if (ring->first_seg) {
+ first_seg = ring->first_seg;
+ seg = first_seg->next;
+ xhci_dbg(xhci, "Freeing ring at %p\n", ring);
+ while (seg != first_seg) {
+ struct xhci_segment *next = seg->next;
+ xhci_segment_free(xhci, seg);
+ seg = next;
+ }
+ xhci_segment_free(xhci, first_seg);
+ ring->first_seg = NULL;
}
- xhci_segment_free(xhci, first_seg);
- ring->first_seg = NULL;
kfree(ring);
}