[PATCH] powerpc/rtas: Allow ibm,platform-dump RTAS call with null buffer address

[Michael Ellerman]

On Tue, 14 Jun 2022 23:49:52 +1000, Andrew Donnellan wrote:
> Add a special case to block_rtas_call() to allow the ibm,platform-dump RTAS
> call through the RTAS filter if the buffer address is 0.
> 
> According to PAPR, ibm,platform-dump is called with a null buffer address
> to notify the platform firmware that processing of a particular dump is
> finished.
> 
> [...]

Applied to powerpc/fixes.

[1/1] powerpc/rtas: Allow ibm,platform-dump RTAS call with null buffer address
      https://git.kernel.org/powerpc/c/7bc08056a6dabc3a1442216daf527edf61ac24b6

cheers