KVM: PPC: Book3E: Unlock mmu_lock when setting caching atttribute
KVM: PPC: Book3E: Unlock mmu_lock when setting caching atttribute

The patch 08c9a188d0d0fc0f0c5e17d89a06bb59c493110f
  	kvm: powerpc: use caching attributes as per linux pte
do not handle properly the error case, letting mmu_lock locked. The lock
will further generate a RCU stall from kvmppc_e500_emul_tlbwe() caller.

In case of an error go to out label.

Signed-off-by: Mihai Caraman <da5f4bdff6ab0291767a4d743bb1fec968e0db7d@freescale.com>
Signed-off-by: Alexander Graf <3ad82b0c937b9aa51276120cedd545efc822be04@suse.de>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs