[powerpc] init nvram_pstore_info's buf_lock

[Michael Ellerman]

On Mon, 2014-17-11 at 02:52:30 UTC, Li Zhong wrote:
> It seems nvram_pstore_info's buf_lock is not initialized before
> registering, which causes some strange behavior when trying to obtain
> the lock during kdump process.

What kind of strange behaviour? Does it still work and just print a warning?

It's static, so I'd expect it to be unlocked by default.

cheers