diff options
Diffstat (limited to 'linux/drivers/media/video/ivtv/ivtv-yuv.c')
| -rw-r--r-- | linux/drivers/media/video/ivtv/ivtv-yuv.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/linux/drivers/media/video/ivtv/ivtv-yuv.c b/linux/drivers/media/video/ivtv/ivtv-yuv.c index fa8c76f3d..1922c1da2 100644 --- a/linux/drivers/media/video/ivtv/ivtv-yuv.c +++ b/linux/drivers/media/video/ivtv/ivtv-yuv.c @@ -83,7 +83,14 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struct ivtv_user_dma *dma, } /* Fill & map SG List */ - ivtv_udma_fill_sg_list (dma, &uv_dma, ivtv_udma_fill_sg_list (dma, &y_dma, 0)); + if (ivtv_udma_fill_sg_list (dma, &uv_dma, ivtv_udma_fill_sg_list (dma, &y_dma, 0)) < 0) { + IVTV_DEBUG_WARN("could not allocate bounce buffers for highmem userspace buffers\n"); + for (i = 0; i < dma->page_count; i++) { + put_page(dma->map[i]); + } + dma->page_count = 0; + return -ENOMEM; + } dma->SG_length = pci_map_sg(itv->dev, dma->SGlist, dma->page_count, PCI_DMA_TODEVICE); /* Fill SG Array with new values */ |