[PATCH] VMCI: Avoid extra check for access_ok()

From: Souptick Joarder
Date: Tue May 05 2020 - 16:10:39 EST


get_user_pages_fast() is already having a check for the same. This
double check can be removed.

Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx>
---
drivers/misc/vmw_vmci/vmci_host.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/drivers/misc/vmw_vmci/vmci_host.c b/drivers/misc/vmw_vmci/vmci_host.c
index ce16d6b..2d8328d9 100644
--- a/drivers/misc/vmw_vmci/vmci_host.c
+++ b/drivers/misc/vmw_vmci/vmci_host.c
@@ -233,8 +233,6 @@ static int vmci_host_setup_notify(struct vmci_ctx *context,
* about the size.
*/
BUILD_BUG_ON(sizeof(bool) != sizeof(u8));
- if (!access_ok((void __user *)uva, sizeof(u8)))
- return VMCI_ERROR_GENERIC;

/*
* Lock physical page backing a given user VA.
--
1.9.1