[PATCH] powerpc/spufs: Add rcu_read_lock() around fcheck()

Christoph Hellwig hch at lst.de
Tue Apr 28 23:52:45 AEST 2020


On Tue, Apr 28, 2020 at 09:48:11PM +1000, Michael Ellerman wrote:
> 
> This comes from fcheck_files() via fcheck().
> 
> It's pretty clearly documented that fcheck() must be wrapped with
> rcu_read_lock(), so fix it.

But for this to actually be useful you'd need the rcu read lock until
your are done with the file (or got a reference).


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