lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Sat, 21 May 2016 18:39:20 +0530 From: Muhammad Falak R Wani <falakreyaz@...il.com> To: Boris Ostrovsky <boris.ostrovsky@...cle.com> Cc: David Vrabel <david.vrabel@...rix.com>, Juergen Gross <jgross@...e.com>, xen-devel@...ts.xenproject.org (moderated list:XEN HYPERVISOR INTERFACE), linux-kernel@...r.kernel.org (open list) Subject: [PATCH] xen/gntdev: use vma_pages(). Replace explicit computation of vma page count by a call to vma_pages() Signed-off-by: Muhammad Falak R Wani <falakreyaz@...il.com> --- drivers/xen/gntdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 6793957..bb95212 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -982,7 +982,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma) { struct gntdev_priv *priv = flip->private_data; int index = vma->vm_pgoff; - int count = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; + int count = vma_pages(vma); struct grant_map *map; int i, err = -EINVAL; -- 1.9.1
Powered by blists - more mailing lists