[PATCH] macintosh: macio-adb: Fix warning comparing pointer to 0

[Michael Ellerman]

On Thu, 17 Mar 2022 17:24:49 +0800, Haowen Bai wrote:
> Avoid pointer type value compared with 0 to make code clear.
> 
> 

Applied to powerpc/next.

[1/1] macintosh: macio-adb: Fix warning comparing pointer to 0
      https://git.kernel.org/powerpc/c/fc21ed8f26d980428f9b4e08e0fb72c7f7ffc9b8

cheers