VMCI: Avoid extra check for access_ok()
authorSouptick Joarder <jrdr.linux@gmail.com>
Tue, 5 May 2020 20:18:32 +0000 (01:48 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 15 May 2020 14:25:21 +0000 (16:25 +0200)
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@gmail.com>
Link: https://lore.kernel.org/r/1588709912-8065-1-git-send-email-jrdr.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/misc/vmw_vmci/vmci_host.c

index ce16d6b..2d8328d 100644 (file)
@@ -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.