[PATCH RESEND] stm class: Remove unnecessary local variable in stm_write

[Alexander Shishkin]

Thorsten Blum <thorsten.blum at linux.dev> writes:

> The local variable 'err' and the corresponding if check in stm_write()
> are unnecessary. Remove them.

Nice catch! Is this a result of manual code inspection or were any tools
used, an AI agent or a coccinelle script or whatnot?

Thanks,
--
Alex