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Merge branch 'work.misc-set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

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Pull misc user access cleanups from Al Viro:
 "The first pile is assorted getting rid of cargo-culted access_ok(),
  cargo-culted set_fs() and field-by-field copyouts.

  The same description applies to a lot of stuff in other branches -
  this is just the stuff that didn't fit into a more specific topical
  branch"

* 'work.misc-set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  Switch flock copyin/copyout primitives to copy_{from,to}_user()
  fs/fcntl: return -ESRCH in f_setown when pid/pgid can't be found
  fs/fcntl: f_setown, avoid undefined behaviour
  fs/fcntl: f_setown, allow returning error
  lpfc debugfs: get rid of pointless access_ok()
  adb: get rid of pointless access_ok()
  isdn: get rid of pointless access_ok()
  compat statfs: switch to copy_to_user()
  fs/locks: don't mess with the address limit in compat_fcntl64
  nfsd_readlink(): switch to vfs_get_link()
  drbd: ->sendpage() never needed set_fs()
  fs/locks: pass kernel struct flock to fcntl_getlk/setlk
  fs: locks: Fix some troubles at kernel-doc comments
This commit is contained in:
Linus Torvalds 2017-07-05 13:13:32 -07:00
commit 3bad2f1c67
12 changed files with 220 additions and 271 deletions
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4
drivers/macintosh/adb.c
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@ -723,8 +723,6 @@ static ssize_t adb_read(struct file *file, char __user *buf,
return -EINVAL;
if (count > sizeof(req->reply))
count = sizeof(req->reply);
if (!access_ok(VERIFY_WRITE, buf, count))
return -EFAULT;
req = NULL;
spin_lock_irqsave(&state->lock, flags);
@ -781,8 +779,6 @@ static ssize_t adb_write(struct file *file, const char __user *buf,
return -EINVAL;
if (adb_controller == NULL)
return -ENXIO;
if (!access_ok(VERIFY_READ, buf, count))
return -EFAULT;
req = kmalloc(sizeof(struct adb_request),
GFP_KERNEL);