Messages in this thread Patch in this message | | | From | Al Viro <> | Subject | [PATCH 09/20] drivers/fpga/dfl-fme-pr.c: get rid of pointless access_ok() | Date | Sun, 10 May 2020 00:45:46 +0100 |
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From: Al Viro <viro@zeniv.linux.org.uk>
followed by copy_from_user()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> --- drivers/fpga/dfl-fme-pr.c | 4 ---- 1 file changed, 4 deletions(-)
diff --git a/drivers/fpga/dfl-fme-pr.c b/drivers/fpga/dfl-fme-pr.c index a233a53db708..1194c0e850e0 100644 --- a/drivers/fpga/dfl-fme-pr.c +++ b/drivers/fpga/dfl-fme-pr.c @@ -97,10 +97,6 @@ static int fme_pr(struct platform_device *pdev, unsigned long arg) return -EINVAL; } - if (!access_ok((void __user *)(unsigned long)port_pr.buffer_address, - port_pr.buffer_size)) - return -EFAULT; - /* * align PR buffer per PR bandwidth, as HW ignores the extra padding * data automatically. -- 2.11.0
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