Re: [PATCH] staging: greybus: uart: return tty_alloc_driver() errors

[Dan Carpenter]

On Mon, Jul 13, 2026 at 10:38:45PM +0530, Alfie Varghese wrote:
> gb_tty_init() maps any tty_alloc_driver() failure to -ENOMEM. This
> loses the real errno returned by the driver core and makes failures
> harder to diagnose correctly.
> 
> Return PTR_ERR(gb_tty_driver) instead so callers receive the actual
> failure reason while preserving the existing cleanup path.
> 
> Signed-off-by: Alfie Varghese <alfievarghese22@xxxxxxxxx>
> ---

I don't have a problem with this change but the commit message
should say that tty_alloc_driver() in this case always returns
-ENOMEM so this is just a style fix and not anything which matters.

regards,
dan carpenter