[PATCHES] uaccess simple access_ok() removals

From: Al Viro
Date: Sat May 09 2020 - 19:41:47 EST


One of the uaccess-related branches; this one is just the
cases when access_ok() calls are trivially pointless - the address
in question gets fed only to primitives that do access_ok() checks
themselves. This stuff sits in
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git #uaccess.access_ok
and it's on top of #fixes (which is already merged into mainline on
Apr 28).
Individual patches in followups; if nobody screams - into #for-next
it goes...

There are other uaccess-related branches; I'll be posting them
for review over the next few days. My apologies if this one comes with
a buggered Cc - this is the first time I have to deal with a series with
Cc lists varying that much; I hope I manage to get git-send-email do
the right thing, but...

Shortlog:
Al Viro (20):
dlmfs_file_write(): get rid of pointless access_ok()
fat_dir_ioctl(): hadn't needed that access_ok() for more than a decade...
btrfs_ioctl_send(): don't bother with access_ok()
FIEMAP: don't bother with access_ok()
tomoyo_write_control(): get rid of pointless access_ok()
n_hdlc_tty_read(): remove pointless access_ok()
nvram: drop useless access_ok()
cm4000_cs.c cmm_ioctl(): get rid of pointless access_ok()
drivers/fpga/dfl-fme-pr.c: get rid of pointless access_ok()
drivers/fpga/dfl-afu-dma-region.c: get rid of pointless access_ok()
amifb: get rid of pointless access_ok() calls
omapfb: get rid of pointless access_ok() calls
drivers/crypto/ccp/sev-dev.c: get rid of pointless access_ok()
via-pmu: don't bother with access_ok()
drm_read(): get rid of pointless access_ok()
efi_test: get rid of pointless access_ok()
lpfc_debugfs: get rid of pointless access_ok()
usb: get rid of pointless access_ok() calls
hfi1: get rid of pointless access_ok()
vmci_host: get rid of pointless access_ok()
Diffstat:
drivers/char/nvram.c | 4 ----
drivers/char/pcmcia/cm4000_cs.c | 14 --------------
drivers/crypto/ccp/sev-dev.c | 15 +++------------
drivers/firmware/efi/test/efi_test.c | 12 ------------
drivers/fpga/dfl-afu-dma-region.c | 4 ----
drivers/fpga/dfl-fme-pr.c | 4 ----
drivers/gpu/drm/drm_file.c | 3 ---
drivers/infiniband/hw/hfi1/user_exp_rcv.c | 7 -------
drivers/macintosh/via-pmu.c | 2 --
drivers/misc/vmw_vmci/vmci_host.c | 2 --
drivers/scsi/lpfc/lpfc_debugfs.c | 12 ------------
drivers/tty/n_hdlc.c | 7 -------
drivers/usb/core/devices.c | 2 --
drivers/usb/core/devio.c | 9 ---------
drivers/usb/gadget/function/f_hid.c | 6 ------
drivers/video/fbdev/amifb.c | 4 ----
drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c | 3 ---
fs/btrfs/send.c | 7 -------
fs/ext4/ioctl.c | 5 -----
fs/fat/dir.c | 4 ----
fs/ioctl.c | 5 -----
fs/ocfs2/dlmfs/dlmfs.c | 3 ---
security/tomoyo/common.c | 2 --
23 files changed, 3 insertions(+), 133 deletions(-)