X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?p=kvmfornfv.git;a=blobdiff_plain;f=kernel%2Fdrivers%2Fmedia%2Fpci%2Fivtv%2Fivtv-yuv.c;h=2b8e7b2f2b865fdd616356fa764a2d3fbe8e901f;hp=2ad65eb29832754b54a5d190257cadd5d6a09031;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hpb=f93b97fd65072de626c074dbe099a1fff05ce060 diff --git a/kernel/drivers/media/pci/ivtv/ivtv-yuv.c b/kernel/drivers/media/pci/ivtv/ivtv-yuv.c index 2ad65eb29..2b8e7b2f2 100644 --- a/kernel/drivers/media/pci/ivtv/ivtv-yuv.c +++ b/kernel/drivers/media/pci/ivtv/ivtv-yuv.c @@ -75,15 +75,15 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struct ivtv_user_dma *dma, ivtv_udma_get_page_info (&uv_dma, (unsigned long)args->uv_source, 360 * uv_decode_height); /* Get user pages for DMA Xfer */ - down_read(¤t->mm->mmap_sem); - y_pages = get_user_pages(current, current->mm, y_dma.uaddr, y_dma.page_count, 0, 1, &dma->map[0], NULL); + y_pages = get_user_pages_unlocked(current, current->mm, + y_dma.uaddr, y_dma.page_count, 0, 1, + &dma->map[0]); uv_pages = 0; /* silence gcc. value is set and consumed only if: */ if (y_pages == y_dma.page_count) { - uv_pages = get_user_pages(current, current->mm, - uv_dma.uaddr, uv_dma.page_count, 0, 1, - &dma->map[y_pages], NULL); + uv_pages = get_user_pages_unlocked(current, current->mm, + uv_dma.uaddr, uv_dma.page_count, 0, 1, + &dma->map[y_pages]); } - up_read(¤t->mm->mmap_sem); if (y_pages != y_dma.page_count || uv_pages != uv_dma.page_count) { int rc = -EFAULT;