Commit 83a4f2e7 authored by Al Viro's avatar Al Viro
Browse files

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: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent c9a4bb41

drivers/fpga/dfl-afu-dma-region.c

+0 −4
Original line number Diff line number Diff line
@@ -324,10 +324,6 @@ int afu_dma_map_region(struct dfl_feature_platform_data *pdata, 
	if (user_addr + length < user_addr)

		return -EINVAL;



	if (!access_ok((void __user *)(unsigned long)user_addr,

		       length))

		return -EINVAL;



	region = kzalloc(sizeof(*region), GFP_KERNEL);

	if (!region)

		return -ENOMEM;

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