Merge patch series "Fix the return type of several functions from long to int"

Yuichiro Tsuji <yuichtsu@amazon.com> says:

These patches fix the return type of several functions from long to int
to match its actual behavior.

* patches from https://lore.kernel.org/r/20250121070844.4413-1-yuichtsu@amazon.com:
  ioctl: Fix return type of several functions from long to int
  open: Fix return type of several functions from long to int

Link: https://lore.kernel.org/r/20250121070844.4413-1-yuichtsu@amazon.com
Signed-off-by: Christian Brauner <brauner@kernel.org>