diff options
Diffstat (limited to 'drivers/media/pci/intel/ipu3/ipu3-cio2.c')
| -rw-r--r-- | drivers/media/pci/intel/ipu3/ipu3-cio2.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2.c b/drivers/media/pci/intel/ipu3/ipu3-cio2.c index 9b9ad7771dda..9377f880b8f6 100644 --- a/drivers/media/pci/intel/ipu3/ipu3-cio2.c +++ b/drivers/media/pci/intel/ipu3/ipu3-cio2.c @@ -838,8 +838,9 @@ static int cio2_vb2_buf_init(struct vb2_buffer *vb) container_of(vb, struct cio2_buffer, vbb.vb2_buf); static const unsigned int entries_per_page = CIO2_PAGE_SIZE / sizeof(u32); - unsigned int pages = DIV_ROUND_UP(vb->planes[0].length, CIO2_PAGE_SIZE); - unsigned int lops = DIV_ROUND_UP(pages + 1, entries_per_page); + unsigned int pages = DIV_ROUND_UP(vb->planes[0].length, + CIO2_PAGE_SIZE) + 1; + unsigned int lops = DIV_ROUND_UP(pages, entries_per_page); struct sg_table *sg; struct sg_page_iter sg_iter; int i, j; @@ -869,6 +870,8 @@ static int cio2_vb2_buf_init(struct vb2_buffer *vb) i = j = 0; for_each_sg_page(sg->sgl, &sg_iter, sg->nents, 0) { + if (!pages--) + break; b->lop[i][j] = sg_page_iter_dma_address(&sg_iter) >> PAGE_SHIFT; j++; if (j == entries_per_page) { |