udmabuf: drop WARN_ON() check.

Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20180911134216.9760-12-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2018-09-11 15:42:14 +02:00
parent 52499d9cdd
commit 7b26e4e211

View file

@ -25,9 +25,6 @@ static int udmabuf_vm_fault(struct vm_fault *vmf)
struct vm_area_struct *vma = vmf->vma;
struct udmabuf *ubuf = vma->vm_private_data;
if (WARN_ON(vmf->pgoff >= ubuf->pagecount))
return VM_FAULT_SIGBUS;
vmf->page = ubuf->pages[vmf->pgoff];
get_page(vmf->page);
return 0;