powerpc/pseries: Correct memory hotplug locking
authorNathan Fontenot <nfont@linux.vnet.ibm.com>
Tue, 7 Apr 2015 14:53:46 +0000 (09:53 -0500)
committerMichael Ellerman <mpe@ellerman.id.au>
Mon, 13 Apr 2015 23:26:08 +0000 (09:26 +1000)
Memory dlpar handling can return from dlpar_memory() without releasing the
device_hotplug lock. Correct this routine to ensure the lock is released.

Fixes: 5f97b2a0d176 ("powerpc/pseries: Implement memory hotplug add in the kernel")
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/platforms/pseries/hotplug-memory.c