Messages in this thread Patch in this message | | | From | Wu Hao <> | Subject | [PATCH v3 02/16] fpga: dfl: fme: remove copy_to_user() in ioctl for PR | Date | Mon, 27 May 2019 13:22:12 +0800 |
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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> --- v2: clean up code split from patch 2 in v1 patchset. v3: no change. --- drivers/fpga/dfl-fme-pr.c | 3 --- 1 file changed, 3 deletions(-)
diff --git a/drivers/fpga/dfl-fme-pr.c b/drivers/fpga/dfl-fme-pr.c index d9ca955..6ec0f09 100644 --- a/drivers/fpga/dfl-fme-pr.c +++ b/drivers/fpga/dfl-fme-pr.c @@ -159,9 +159,6 @@ static int fme_pr(struct platform_device *pdev, unsigned long arg) mutex_unlock(&pdata->lock); free_exit: vfree(buf); - if (copy_to_user((void __user *)arg, &port_pr, minsz)) - return -EFAULT; - return ret; } -- 1.8.3.1
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