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KVM: PPC: e500: fix handling local_sid_lookup result

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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 <a.hajda@samsung.com>
Acked-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Andrzej Hajda 2015-09-24 16:00:23 +02:00 committed by Paul Mackerras
parent 6a14c22224
commit d4cd4f9586
1 changed files with 2 additions and 1 deletions
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arch/powerpc/kvm/e500.c
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@ -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;