From d4cd4f9586f87a5fc828b4c4698aa4faf56c96fc Mon Sep 17 00:00:00 2001 From: Andrzej Hajda Date: Thu, 24 Sep 2015 16:00:23 +0200 Subject: [PATCH] KVM: PPC: e500: fix handling local_sid_lookup result The function can return negative value. The problem has been detected using proposed semantic patch scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1]. [1]: http://permalink.gmane.org/gmane.linux.kernel/2046107 Signed-off-by: Andrzej Hajda Acked-by: Scott Wood Signed-off-by: Paul Mackerras --- arch/powerpc/kvm/e500.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c index b29ce752c7d6..32fdab57d604 100644 --- a/arch/powerpc/kvm/e500.c +++ b/arch/powerpc/kvm/e500.c @@ -237,7 +237,8 @@ void kvmppc_e500_tlbil_one(struct kvmppc_vcpu_e500 *vcpu_e500, struct kvm_book3e_206_tlb_entry *gtlbe) { struct vcpu_id_table *idt = vcpu_e500->idt; - unsigned int pr, tid, ts, pid; + unsigned int pr, tid, ts; + int pid; u32 val, eaddr; unsigned long flags; -- 2.20.1