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| author | Al Viro <viro@zeniv.linux.org.uk> | 2020-04-22 23:05:57 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2020-05-29 11:04:56 -0400 |
| commit | c9a4bb416676dc1d67acc7fed51f77d8b371ab51 (patch) | |
| tree | 79b38c69dbc84307fc770149aec8b395c5e957ae /drivers/fpga/dfl-fme-pr.c | |
| parent | 5f599098f7608deb4fa063486452f8f1dfd8a72c (diff) | |
| download | lwn-c9a4bb416676dc1d67acc7fed51f77d8b371ab51.tar.gz lwn-c9a4bb416676dc1d67acc7fed51f77d8b371ab51.zip | |
drivers/fpga/dfl-fme-pr.c: get rid of pointless access_ok()
followed by copy_from_user()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/fpga/dfl-fme-pr.c')
| -rw-r--r-- | drivers/fpga/dfl-fme-pr.c | 4 |
1 files changed, 0 insertions, 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. |