ocxl: Clarify error path in setup_xsl_irq()

[Michael Ellerman]

On Mon, 2018-12-10 at 15:18:13 UTC, Greg Kurz wrote:
> Implementing rollback with goto and labels is a common practice that
> leads to prettier and more maintainable code. FWIW, this design pattern
> is already being used in alloc_link() a few lines below in this file.
> 
> Do the same in setup_xsl_irq().
> 
> Signed-off-by: Greg Kurz <groug at kaod.org>
> Acked-by: Frederic Barrat <fbarrat at linux.ibm.com>
> Acked-by: Andrew Donnellan <andrew.donnellan at au1.ibm.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/759bc01586535700fbb1aaf40dd727

cheers