diff options
| author | Wu Hao <hao.wu@intel.com> | 2019-06-28 03:49:38 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-07-03 20:58:58 +0300 |
| commit | 49ec630cd5e497c97c6a8a0fc4df5b2c88ca11c6 (patch) | |
| tree | 6f0c2b911a76cd40dc40b665b64818dcdc53acb6 /drivers/fpga | |
| parent | e150e3f4ad9aeda7610dee09f98ea69e0bc701b7 (diff) | |
| download | linux-49ec630cd5e497c97c6a8a0fc4df5b2c88ca11c6.tar.xz | |
fpga: dfl: fme: remove copy_to_user() in ioctl for PR
This patch removes copy_to_user() code in partial reconfiguration
ioctl, as it's useless as user never needs to read the data
structure after ioctl.
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
Signed-off-by: Wu Hao <hao.wu@intel.com>
Acked-by: Moritz Fischer <mdf@kernel.org>
Acked-by: Alan Tull <atull@kernel.org>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
Link: https://lore.kernel.org/r/20190628004951.6202-3-mdf@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/fpga')
| -rw-r--r-- | drivers/fpga/dfl-fme-pr.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/fpga/dfl-fme-pr.c b/drivers/fpga/dfl-fme-pr.c index d9ca9554844a..6ec0f09e5994 100644 --- a/drivers/fpga/dfl-fme-pr.c +++ b/drivers/fpga/dfl-fme-pr.c @@ -159,9 +159,6 @@ unlock_exit: mutex_unlock(&pdata->lock); free_exit: vfree(buf); - if (copy_to_user((void __user *)arg, &port_pr, minsz)) - return -EFAULT; - return ret; } |