[Devel] [PATCH RHEL7 COMMIT] ms/KVM: x86: removing unused variable

[Konstantin Khorenko]

The commit is pushed to "branch-rh7-3.10.0-327.3.1-vz7.10.x-ovz" and will appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh7-3.10.0-327.3.1.vz7.10.9
------>
commit 851a2f9ca372842c6467d93ff502b247c1cfe222
Author: Saurabh Sengar <saurabh.truth at gmail.com>
Date:   Wed Feb 3 19:24:10 2016 +0400

    ms/KVM: x86: removing unused variable
    
    ms commit: 2da29bccc5045ea10c70cb3a69be777768fd0b66
    
        KVM: x86: removing unused variable
    
        removing unused variables, found by coccinelle
    
        Signed-off-by: Saurabh Sengar <saurabh.truth at gmail.com>
        Signed-off-by: Paolo Bonzini <pbonzini at redhat.com>
    
    Signed-off-by: Vasily Averin <vvs at virtuozzo.com>
    
    khorenko@: this is a preparation patch for next one:
    ("KVM: x86: Reload pit counters for all channels when restoring state")
---
 arch/x86/kvm/x86.c | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 5a64850..7406813 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3541,41 +3541,35 @@ static int kvm_vm_ioctl_set_irqchip(struct kvm *kvm, struct kvm_irqchip *chip)
 
 static int kvm_vm_ioctl_get_pit(struct kvm *kvm, struct kvm_pit_state *ps)
 {
-	int r = 0;
-
 	mutex_lock(&kvm->arch.vpit->pit_state.lock);
 	memcpy(ps, &kvm->arch.vpit->pit_state, sizeof(struct kvm_pit_state));
 	mutex_unlock(&kvm->arch.vpit->pit_state.lock);
-	return r;
+	return 0;
 }
 
 static int kvm_vm_ioctl_set_pit(struct kvm *kvm, struct kvm_pit_state *ps)
 {
-	int r = 0;
-
 	mutex_lock(&kvm->arch.vpit->pit_state.lock);
 	memcpy(&kvm->arch.vpit->pit_state, ps, sizeof(struct kvm_pit_state));
 	kvm_pit_load_count(kvm, 0, ps->channels[0].count, 0);
 	mutex_unlock(&kvm->arch.vpit->pit_state.lock);
-	return r;
+	return 0;
 }
 
 static int kvm_vm_ioctl_get_pit2(struct kvm *kvm, struct kvm_pit_state2 *ps)
 {
-	int r = 0;
-
 	mutex_lock(&kvm->arch.vpit->pit_state.lock);
 	memcpy(ps->channels, &kvm->arch.vpit->pit_state.channels,
 		sizeof(ps->channels));
 	ps->flags = kvm->arch.vpit->pit_state.flags;
 	mutex_unlock(&kvm->arch.vpit->pit_state.lock);
 	memset(&ps->reserved, 0, sizeof(ps->reserved));
-	return r;
+	return 0;
 }
 
 static int kvm_vm_ioctl_set_pit2(struct kvm *kvm, struct kvm_pit_state2 *ps)
 {
-	int r = 0, start = 0;
+	int start = 0;
 	u32 prev_legacy, cur_legacy;
 	mutex_lock(&kvm->arch.vpit->pit_state.lock);
 	prev_legacy = kvm->arch.vpit->pit_state.flags & KVM_PIT_FLAGS_HPET_LEGACY;
@@ -3587,7 +3581,7 @@ static int kvm_vm_ioctl_set_pit2(struct kvm *kvm, struct kvm_pit_state2 *ps)
 	kvm->arch.vpit->pit_state.flags = ps->flags;
 	kvm_pit_load_count(kvm, 0, kvm->arch.vpit->pit_state.channels[0].count, start);
 	mutex_unlock(&kvm->arch.vpit->pit_state.lock);
-	return r;
+	return 0;
 }
 
 static int kvm_vm_ioctl_reinject(struct kvm *kvm,