From 87c233b8158a20a9c9ab1da96cb5cb1734d9006e Mon Sep 17 00:00:00 2001 From: Al Viro Date: Thu, 7 May 2020 23:28:15 -0400 Subject: [PATCH] vmci_host: get rid of pointless access_ok() get_user_pages_fast() doesn't need the caller to check that. NB: reachable only from ioctl(2) and only under USER_DS Reviewed-by: Greg Kroah-Hartman Signed-off-by: Al Viro --- 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 ce16d6b99295..2d8328d928d5 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.