diff options
Diffstat (limited to 'drivers/usb/host')
-rw-r--r-- | drivers/usb/host/xhci-mem.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 94a8b28d602e..e4513ab015b4 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c | |||
@@ -112,18 +112,20 @@ void xhci_ring_free(struct xhci_hcd *xhci, struct xhci_ring *ring) | |||
112 | struct xhci_segment *seg; | 112 | struct xhci_segment *seg; |
113 | struct xhci_segment *first_seg; | 113 | struct xhci_segment *first_seg; |
114 | 114 | ||
115 | if (!ring || !ring->first_seg) | 115 | if (!ring) |
116 | return; | 116 | return; |
117 | first_seg = ring->first_seg; | 117 | if (ring->first_seg) { |
118 | seg = first_seg->next; | 118 | first_seg = ring->first_seg; |
119 | xhci_dbg(xhci, "Freeing ring at %p\n", ring); | 119 | seg = first_seg->next; |
120 | while (seg != first_seg) { | 120 | xhci_dbg(xhci, "Freeing ring at %p\n", ring); |
121 | struct xhci_segment *next = seg->next; | 121 | while (seg != first_seg) { |
122 | xhci_segment_free(xhci, seg); | 122 | struct xhci_segment *next = seg->next; |
123 | seg = next; | 123 | xhci_segment_free(xhci, seg); |
124 | seg = next; | ||
125 | } | ||
126 | xhci_segment_free(xhci, first_seg); | ||
127 | ring->first_seg = NULL; | ||
124 | } | 128 | } |
125 | xhci_segment_free(xhci, first_seg); | ||
126 | ring->first_seg = NULL; | ||
127 | kfree(ring); | 129 | kfree(ring); |
128 | } | 130 | } |
129 | 131 | ||