Commit 87c233b8 authored May 07, 2020 by Al Viro

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 <gregkh@linuxfoundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

parent fd8ec4dd

drivers/misc/vmw_vmci/vmci_host.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -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.

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