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authorLinus Torvalds <torvalds@linux-foundation.org>2020-06-01 16:09:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-06-01 16:09:43 -0700
commite0cd9206878a3b95024602b355b254d142f5ce94 (patch)
treec33542ba74e86ced56383c783e32d3a160dd2ce1 /drivers/fpga
parentMerge branch 'uaccess.csum' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs (diff)
parentvmci_host: get rid of pointless access_ok() (diff)
downloadlinux-dev-e0cd9206878a3b95024602b355b254d142f5ce94.tar.xz
linux-dev-e0cd9206878a3b95024602b355b254d142f5ce94.zip
Merge branch 'uaccess.access_ok' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull uaccess/access_ok updates from Al Viro: "Removals of trivially pointless access_ok() calls. Note: the fiemap stuff was removed from the series, since they are duplicates with part of ext4 series carried in Ted's tree" * 'uaccess.access_ok' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: vmci_host: get rid of pointless access_ok() hfi1: get rid of pointless access_ok() usb: get rid of pointless access_ok() calls lpfc_debugfs: get rid of pointless access_ok() efi_test: get rid of pointless access_ok() drm_read(): get rid of pointless access_ok() via-pmu: don't bother with access_ok() drivers/crypto/ccp/sev-dev.c: get rid of pointless access_ok() omapfb: get rid of pointless access_ok() calls amifb: get rid of pointless access_ok() calls drivers/fpga/dfl-afu-dma-region.c: get rid of pointless access_ok() drivers/fpga/dfl-fme-pr.c: get rid of pointless access_ok() cm4000_cs.c cmm_ioctl(): get rid of pointless access_ok() nvram: drop useless access_ok() n_hdlc_tty_read(): remove pointless access_ok() tomoyo_write_control(): get rid of pointless access_ok() btrfs_ioctl_send(): don't bother with access_ok() fat_dir_ioctl(): hadn't needed that access_ok() for more than a decade... dlmfs_file_write(): get rid of pointless access_ok()
Diffstat (limited to 'drivers/fpga')
-rw-r--r--drivers/fpga/dfl-afu-dma-region.c4
-rw-r--r--drivers/fpga/dfl-fme-pr.c4
2 files changed, 0 insertions, 8 deletions
diff --git a/drivers/fpga/dfl-afu-dma-region.c b/drivers/fpga/dfl-afu-dma-region.c
index 62f924489db5..d902acb36d14 100644
--- a/drivers/fpga/dfl-afu-dma-region.c
+++ b/drivers/fpga/dfl-afu-dma-region.c
@@ -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;
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.