V4L/DVB: v4l videobuf: rename .vmalloc to .vaddr

Rename the .vmalloc op in struct videobuf_qtype_ops to .vaddr. This op returns
the virtual kernel address of a buffer. vaddr is a lot less confusing than
vmalloc since this callback does do any allocations.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/include/media/videobuf-core.h b/include/media/videobuf-core.h
index 4497e23..8fe3254 100644
--- a/include/media/videobuf-core.h
+++ b/include/media/videobuf-core.h
@@ -128,7 +128,7 @@
 	u32                     magic;
 
 	struct videobuf_buffer *(*alloc)(size_t size);
-	void *(*vmalloc)	(struct videobuf_buffer *buf);
+	void *(*vaddr)		(struct videobuf_buffer *buf);
 	int (*iolock)		(struct videobuf_queue *q,
 				 struct videobuf_buffer *vb,
 				 struct v4l2_framebuffer *fbuf);