media: videobuf: Change return type to vm_fault_t

Use new return type vm_fault_t for fault handler. For
now, this is just documenting that the function returns
a VM_FAULT value rather than an errno. Once all instances
are converted, vm_fault_t will become a distinct type.

Reference id -> 1c8f422059 ("mm: change return type to
vm_fault_t")

Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Souptick Joarder 2018-04-18 14:47:16 -04:00 committed by Mauro Carvalho Chehab
parent fb21cf4eec
commit 62d4cfd3a6

View File

@ -434,7 +434,7 @@ static void videobuf_vm_close(struct vm_area_struct *vma)
* now ...). Bounce buffers don't work very well for the data rates
* video capture has.
*/
static int videobuf_vm_fault(struct vm_fault *vmf)
static vm_fault_t videobuf_vm_fault(struct vm_fault *vmf)
{
struct vm_area_struct *vma = vmf->vma;
struct page *page;