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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>
This commit is contained in:
Al Viro 2020-05-07 23:28:15 -04:00
parent fd8ec4dd4a
commit 87c233b815
1 changed files with 0 additions and 2 deletions
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2
drivers/misc/vmw_vmci/vmci_host.c
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@ -233,8 +233,6 @@ static int vmci_host_setup_notify(struct vmci_ctx *context,
* about the size. * about the size.
*/ */
BUILD_BUG_ON(sizeof(bool) != sizeof(u8)); 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. * Lock physical page backing a given user VA.