On 07/01/2022 07:03, Fabiano Rosas wrote:
We check against 'bytes' but print 'run->mmio.len' which at that point
has an old value.
e.g. 16-byte load:
before:
__kvmppc_handle_load: bad MMIO length: 8
now:
__kvmppc_handle_load: bad MMIO length: 16
Signed-off-by: Fabiano Rosas <faro...@linux.ibm.com>
---
arch/powerpc/kvm/powerpc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 92e552ab5a77..0b0818d032e1 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -1246,7 +1246,7 @@ static int __kvmppc_handle_load(struct kvm_vcpu *vcpu,
if (bytes > sizeof(run->mmio.data)) {
printk(KERN_ERR "%s: bad MMIO length: %d\n", __func__,
- run->mmio.len);
+ bytes);
"return EMULATE_FAIL;" here and below as there is really no point in
trashing kvm_run::mmio (not much harm too but still) and this code does
not handle more than 8 bytes anyway.
}
run->mmio.phys_addr = vcpu->arch.paddr_accessed;
@@ -1335,7 +1335,7 @@ int kvmppc_handle_store(struct kvm_vcpu *vcpu,
if (bytes > sizeof(run->mmio.data)) {
printk(KERN_ERR "%s: bad MMIO length: %d\n", __func__,
- run->mmio.len);
+ bytes);
}
run->mmio.phys_addr = vcpu->arch.paddr_accessed;
--
Alexey
