Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
xen/dmabuf: switch gntdev-dmabuf to use INVALID_GRANT_REF
Instead of using a private macro for an invalid grant reference use
the common one.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
+2
-11
+2
-11
drivers/xen/gntdev-dmabuf.c
+2
-11
drivers/xen/gntdev-dmabuf.c
···
24
24
25
25
MODULE_IMPORT_NS(DMA_BUF);
26
26
27
-
#ifndef GRANT_INVALID_REF
28
-
/*
29
-
* Note on usage of grant reference 0 as invalid grant reference:
30
-
* grant reference 0 is valid, but never exposed to a driver,
31
-
* because of the fact it is already in use/reserved by the PV console.
32
-
*/
33
-
#define GRANT_INVALID_REF 0
34
-
#endif
35
-
36
27
struct gntdev_dmabuf {
37
28
struct gntdev_dmabuf_priv *priv;
38
29
struct dma_buf *dmabuf;
···
523
532
int i;
524
533
525
534
for (i = 0; i < count; i++)
526
-
if (refs[i] != GRANT_INVALID_REF)
535
+
if (refs[i] != INVALID_GRANT_REF)
527
536
gnttab_end_foreign_access(refs[i], 0UL);
528
537
}
529
538
···
558
567
gntdev_dmabuf->nr_pages = count;
559
568
560
569
for (i = 0; i < count; i++)
561
-
gntdev_dmabuf->u.imp.refs[i] = GRANT_INVALID_REF;
570
+
gntdev_dmabuf->u.imp.refs[i] = INVALID_GRANT_REF;
562
571
563
572
return gntdev_dmabuf;
564
573