From c9a4bb416676dc1d67acc7fed51f77d8b371ab51 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 22 Apr 2020 23:05:57 -0400
Subject: [PATCH] drivers/fpga/dfl-fme-pr.c: get rid of pointless access_ok()
Git-commit: c9a4bb416676dc1d67acc7fed51f77d8b371ab51
References: jsc#SLE-13441
Patch-mainline: v5.8-rc1
followed by copy_from_user()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
---
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.
--
2.26.2