aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/staging/media/atomisp/pci/atomisp_ioctl.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
index 7ecee39ef5a4..d0b5dacbb20a 100644
--- a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
+++ b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
@@ -1345,6 +1345,12 @@ static int atomisp_qbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
* address and reprograme out page table properly
*/
if (buf->memory == V4L2_MEMORY_USERPTR) {
+ if (offset_in_page(buf->m.userptr)) {
+ dev_err(isp->dev, "Error userptr is not page aligned.\n");
+ ret = -EINVAL;
+ goto error;
+ }
+
vb = pipe->capq.bufs[buf->index];
vm_mem = vb->priv;
if (!vm_mem) {