diff mbox series

[09/20] drivers/fpga/dfl-fme-pr.c: get rid of pointless access_ok()

Message ID 20200509234557.1124086-9-viro@ZenIV.linux.org.uk (mailing list archive)
State New, archived
Headers show
Series [01/20] dlmfs_file_write(): get rid of pointless access_ok() | expand

Commit Message

Al Viro May 9, 2020, 11:45 p.m. UTC
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 mbox series

Patch

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.