staging: greybus: uart: return tty_alloc_driver() errors

gb_tty_init() maps any tty_alloc_driver() failure to -ENOMEM.
tty_alloc_driver() currently always returns -ENOMEM on failure,
so this does not change behavior in practice. However, returning
PTR_ERR(gb_tty_driver) is more correct and consistent with kernel
conventions, preserving any future error codes the function might
return.

Signed-off-by: Alfie Varghese <alfievarghese22@gmail.com>
Reviewed-by: Dan Carpenter <error27@gmail.com>
Link: https://patch.msgid.link/20260714134921.817-1-alfievarghese22@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

0 files changed, 0 insertions, 0 deletions