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authorAndrzej Hajda <a.hajda@samsung.com>2015-09-24 16:00:23 +0200
committerPaul Mackerras <paulus@samba.org>2015-10-15 06:58:16 +0200
commitd4cd4f9586f87a5fc828b4c4698aa4faf56c96fc (patch)
tree15bf264ceb150cc65c10059640bb38e74cf1793f /arch/powerpc/kvm/e500.c
parentpowerpc/e6500: add TMCFG0 register definition (diff)
downloadlinux-d4cd4f9586f87a5fc828b4c4698aa4faf56c96fc.tar.xz
linux-d4cd4f9586f87a5fc828b4c4698aa4faf56c96fc.zip
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 <a.hajda@samsung.com> Acked-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kvm/e500.c')
-rw-r--r--arch/powerpc/kvm/e500.c3
1 files changed, 2 insertions, 1 deletions
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;