drivers/fpga/dfl-afu-dma-region.c: get rid of pointless access_ok()
Address is passed to get_user_pages_fast(), which does access_ok(). NB: this is called only from ->ioctl(), and only under USER_DS. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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@ -324,10 +324,6 @@ int afu_dma_map_region(struct dfl_feature_platform_data *pdata,
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if (user_addr + length < user_addr)
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return -EINVAL;
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if (!access_ok((void __user *)(unsigned long)user_addr,
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length))
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return -EINVAL;
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region = kzalloc(sizeof(*region), GFP_KERNEL);
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if (!region)
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return -ENOMEM;
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