Messages in this thread Patch in this message | | | From | Al Viro <> | Subject | [PATCH 4/4] vmci_host: get rid of pointless access_ok() | Date | Sun, 10 May 2020 00:45:57 +0100 |
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From: Al Viro <viro@zeniv.linux.org.uk>
get_user_pages_fast() doesn't need the caller to check that. NB: reachable only from ioctl(2) and only under USER_DS
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> --- 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. -- 2.11.0
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