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Merge tag 'pull-iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

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Pull iov_iter updates from Al Viro:
 "iov_iter work; most of that is about getting rid of direction
  misannotations and (hopefully) preventing more of the same for the
  future"

* tag 'pull-iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  use less confusing names for iov_iter direction initializers
  iov_iter: saner checks for attempt to copy to/from iterator
  [xen] fix "direction" argument of iov_iter_kvec()
  [vhost] fix 'direction' argument of iov_iter_{init,bvec}()
  [target] fix iov_iter_bvec() "direction" argument
  [s390] memcpy_real(): WRITE is "data source", not destination...
  [s390] zcore: WRITE is "data source", not destination...
  [infiniband] READ is "data destination", not source...
  [fsi] WRITE is "data source", not destination...
  [s390] copy_oldmem_kernel() - WRITE is "data source", not destination
  csum_and_copy_to_iter(): handle ITER_DISCARD
  get rid of unlikely() on page_copy_sane() calls
This commit is contained in:
Linus Torvalds
2022-12-12 18:29:54 -08:00
parent 268369b171 de4eda9de2
commit 75f4d9af8b
88 changed files with 224 additions and 214 deletions
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4
drivers/char/random.c
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@@ -1384,7 +1384,7 @@ SYSCALL_DEFINE3(getrandom, char __user *, ubuf, size_t, len, unsigned int, flags
return ret;
}
ret = import_single_range(READ, ubuf, len, &iov, &iter);
ret = import_single_range(ITER_DEST, ubuf, len, &iov, &iter);
if (unlikely(ret))
return ret;
return get_random_bytes_user(&iter);
@@ -1502,7 +1502,7 @@ static long random_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
return -EINVAL;
if (get_user(len, p++))
return -EFAULT;
ret = import_single_range(WRITE, p, len, &iov, &iter);
ret = import_single_range(ITER_SOURCE, p, len, &iov, &iter);
if (unlikely(ret))
return ret;
ret = write_pool_user(&iter);