V4L/DVB (9492): unplug oops from dvb_frontend_init...

[pandora-kernel.git] / lib / swiotlb.c

diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index f8eebd4..78330c3 100644 (file)
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -497,8 +497,10 @@ swiotlb_alloc_coherent(struct device *hwdev, size_t size,
                printk("hwdev DMA mask = 0x%016Lx, dev_addr = 0x%016Lx\n",
                       (unsigned long long)*hwdev->dma_mask,
                       (unsigned long long)dev_addr);
-               panic("swiotlb_alloc_coherent: allocated memory is out of "
-                     "range for device");
+
+               /* DMA_TO_DEVICE to avoid memcpy in unmap_single */
+               unmap_single(hwdev, ret, size, DMA_TO_DEVICE);
+               return NULL;
        }
        *dma_handle = dev_addr;
        return ret;