[PATCH] drivers/crypto/nx: prevent oops on module exit

[Benjamin Herrenschmidt]

On Fri, 2014-10-17 at 09:43 +1100, Michael Ellerman wrote:
> On Thu, 2014-10-16 at 15:30 -0400, Dan Streetman wrote:
> > Check old_devdata->dev in nx-842 driver before accessing it, as
> > on systems without any nx-842 hardware, the ->dev will never be
> > set.  Currently, the module will cause an oops during unload
> > since old_devdata->dev is null.
> 
> Hi Dan,
> 
> Patch looks reasonable. But I can't merge it, at least not without an ACK:
> 
> $ ./scripts/get_maintainer.pl -f drivers/crypto/nx/
> Nathan Fontenot <nfont at linux.vnet.ibm.com> (supporter:IBM Power 842 com...)
> Marcelo Henrique Cerri <mhcerri at linux.vnet.ibm.com> (supporter:IBM Power in-Nest...)
> Fionnuala Gunter <fin at linux.vnet.ibm.com> (supporter:IBM Power in-Nest...)
> Herbert Xu <herbert at gondor.apana.org.au> (maintainer:CRYPTO API)
> "David S. Miller" <davem at davemloft.net> (maintainer:CRYPTO API)
> linux-crypto at vger.kernel.org (open list:IBM Power in-Nest...)
> linux-kernel at vger.kernel.org (open list)
> 
> 
> If any of the above is out of date please send me a patch for MAINTAINERS.

I think Dan now owns that driver, Dan, please confirm.

Cheers,
Ben.