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Subject[PATCH] KVM: Fix the warning by the min()
Date
Fix following coccicheck warning:
virt/kvm/kvm_main.c:4995:10-11: WARNING opportunity for min()
virt/kvm/kvm_main.c:4924:10-11: WARNING opportunity for min()

Signed-off-by: zhaoxiao <zhaoxiao@uniontech.com>
---
virt/kvm/kvm_main.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index d31724500501..bd646c64722d 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -4910,7 +4910,6 @@ int kvm_io_bus_write(struct kvm_vcpu *vcpu, enum kvm_bus bus_idx, gpa_t addr,
{
struct kvm_io_bus *bus;
struct kvm_io_range range;
- int r;

range = (struct kvm_io_range) {
.addr = addr,
@@ -4920,8 +4919,8 @@ int kvm_io_bus_write(struct kvm_vcpu *vcpu, enum kvm_bus bus_idx, gpa_t addr,
bus = srcu_dereference(vcpu->kvm->buses[bus_idx], &vcpu->kvm->srcu);
if (!bus)
return -ENOMEM;
- r = __kvm_io_bus_write(vcpu, bus, &range, val);
- return r < 0 ? r : 0;
+
+ return min(__kvm_io_bus_write(vcpu, bus, &range, val), 0);
}
EXPORT_SYMBOL_GPL(kvm_io_bus_write);

@@ -4981,7 +4980,6 @@ int kvm_io_bus_read(struct kvm_vcpu *vcpu, enum kvm_bus bus_idx, gpa_t addr,
{
struct kvm_io_bus *bus;
struct kvm_io_range range;
- int r;

range = (struct kvm_io_range) {
.addr = addr,
@@ -4991,8 +4989,8 @@ int kvm_io_bus_read(struct kvm_vcpu *vcpu, enum kvm_bus bus_idx, gpa_t addr,
bus = srcu_dereference(vcpu->kvm->buses[bus_idx], &vcpu->kvm->srcu);
if (!bus)
return -ENOMEM;
- r = __kvm_io_bus_read(vcpu, bus, &range, val);
- return r < 0 ? r : 0;
+
+ return min(__kvm_io_bus_read(vcpu, bus, &range, val), 0);
}

/* Caller must hold slots_lock. */
--
2.20.1


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