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KVM: remove unnecessary return value check 

No need to check return value before breaking switch.

Signed-off-by: Guo Chao <yan@linux.vnet.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Guo Chao 2012-11-02 18:33:23 +08:00 committed by Marcelo Tosatti
parent 951179ce86
commit 807f12e57c
2 changed files with 0 additions and 62 deletions
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32
arch/x86/kvm/x86.c
View File

@ -2696,9 +2696,6 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
return PTR_ERR(u.lapic);
r = kvm_vcpu_ioctl_set_lapic(vcpu, u.lapic);
if (r)
goto out;
r = 0;
break;
}
case KVM_INTERRUPT: {
@ -2708,16 +2705,10 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
if (copy_from_user(&irq, argp, sizeof irq))
goto out;
r = kvm_vcpu_ioctl_interrupt(vcpu, &irq);
if (r)
goto out;
r = 0;
break;
}
case KVM_NMI: {
r = kvm_vcpu_ioctl_nmi(vcpu);
if (r)
goto out;
r = 0;
break;
}
case KVM_SET_CPUID: {
@ -2728,8 +2719,6 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
if (copy_from_user(&cpuid, cpuid_arg, sizeof cpuid))
goto out;
r = kvm_vcpu_ioctl_set_cpuid(vcpu, &cpuid, cpuid_arg->entries);
if (r)
goto out;
break;
}
case KVM_SET_CPUID2: {
@ -2741,8 +2730,6 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
goto out;
r = kvm_vcpu_ioctl_set_cpuid2(vcpu, &cpuid,
cpuid_arg->entries);
if (r)
goto out;
break;
}
case KVM_GET_CPUID2: {
@ -3207,8 +3194,6 @@ long kvm_arch_vm_ioctl(struct file *filp,
switch (ioctl) {
case KVM_SET_TSS_ADDR:
r = kvm_vm_ioctl_set_tss_addr(kvm, arg);
if (r < 0)
goto out;
break;
case KVM_SET_IDENTITY_MAP_ADDR: {
u64 ident_addr;
@ -3217,14 +3202,10 @@ long kvm_arch_vm_ioctl(struct file *filp,
if (copy_from_user(&ident_addr, argp, sizeof ident_addr))
goto out;
r = kvm_vm_ioctl_set_identity_map_addr(kvm, ident_addr);
if (r < 0)
goto out;
break;
}
case KVM_SET_NR_MMU_PAGES:
r = kvm_vm_ioctl_set_nr_mmu_pages(kvm, arg);
if (r)
goto out;
break;
case KVM_GET_NR_MMU_PAGES:
r = kvm_vm_ioctl_get_nr_mmu_pages(kvm);
@ -3315,8 +3296,6 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = 0;
get_irqchip_out:
kfree(chip);
if (r)
goto out;
break;
}
case KVM_SET_IRQCHIP: {
@ -3338,8 +3317,6 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = 0;
set_irqchip_out:
kfree(chip);
if (r)
goto out;
break;
}
case KVM_GET_PIT: {
@ -3366,9 +3343,6 @@ long kvm_arch_vm_ioctl(struct file *filp,
if (!kvm->arch.vpit)
goto out;
r = kvm_vm_ioctl_set_pit(kvm, &u.ps);
if (r)
goto out;
r = 0;
break;
}
case KVM_GET_PIT2: {
@ -3392,9 +3366,6 @@ long kvm_arch_vm_ioctl(struct file *filp,
if (!kvm->arch.vpit)
goto out;
r = kvm_vm_ioctl_set_pit2(kvm, &u.ps2);
if (r)
goto out;
r = 0;
break;
}
case KVM_REINJECT_CONTROL: {
@ -3403,9 +3374,6 @@ long kvm_arch_vm_ioctl(struct file *filp,
if (copy_from_user(&control, argp, sizeof(control)))
goto out;
r = kvm_vm_ioctl_reinject(kvm, &control);
if (r)
goto out;
r = 0;
break;
}
case KVM_XEN_HVM_CONFIG: {

30
virt/kvm/kvm_main.c
View File

@ -1929,10 +1929,6 @@ out_free1:
goto out;
}
r = kvm_arch_vcpu_ioctl_set_regs(vcpu, kvm_regs);
if (r)
goto out_free2;
r = 0;
out_free2:
kfree(kvm_regs);
break;
}
@ -1958,9 +1954,6 @@ out_free2:
goto out;
}
r = kvm_arch_vcpu_ioctl_set_sregs(vcpu, kvm_sregs);
if (r)
goto out;
r = 0;
break;
}
case KVM_GET_MP_STATE: {
@ -1982,9 +1975,6 @@ out_free2:
if (copy_from_user(&mp_state, argp, sizeof mp_state))
goto out;
r = kvm_arch_vcpu_ioctl_set_mpstate(vcpu, &mp_state);
if (r)
goto out;
r = 0;
break;
}
case KVM_TRANSLATE: {
@ -2009,9 +1999,6 @@ out_free2:
if (copy_from_user(&dbg, argp, sizeof dbg))
goto out;
r = kvm_arch_vcpu_ioctl_set_guest_debug(vcpu, &dbg);
if (r)
goto out;
r = 0;
break;
}
case KVM_SET_SIGNAL_MASK: {
@ -2059,9 +2046,6 @@ out_free2:
goto out;
}
r = kvm_arch_vcpu_ioctl_set_fpu(vcpu, fpu);
if (r)
goto out;
r = 0;
break;
}
default:
@ -2131,8 +2115,6 @@ static long kvm_vm_ioctl(struct file *filp,
switch (ioctl) {
case KVM_CREATE_VCPU:
r = kvm_vm_ioctl_create_vcpu(kvm, arg);
if (r < 0)
goto out;
break;
case KVM_SET_USER_MEMORY_REGION: {
struct kvm_userspace_memory_region kvm_userspace_mem;
@ -2143,8 +2125,6 @@ static long kvm_vm_ioctl(struct file *filp,
goto out;
r = kvm_vm_ioctl_set_memory_region(kvm, &kvm_userspace_mem, 1);
if (r)
goto out;
break;
}
case KVM_GET_DIRTY_LOG: {
@ -2154,8 +2134,6 @@ static long kvm_vm_ioctl(struct file *filp,
if (copy_from_user(&log, argp, sizeof log))
goto out;
r = kvm_vm_ioctl_get_dirty_log(kvm, &log);
if (r)
goto out;
break;
}
#ifdef KVM_COALESCED_MMIO_PAGE_OFFSET
@ -2165,9 +2143,6 @@ static long kvm_vm_ioctl(struct file *filp,
if (copy_from_user(&zone, argp, sizeof zone))
goto out;
r = kvm_vm_ioctl_register_coalesced_mmio(kvm, &zone);
if (r)
goto out;
r = 0;
break;
}
case KVM_UNREGISTER_COALESCED_MMIO: {
@ -2176,9 +2151,6 @@ static long kvm_vm_ioctl(struct file *filp,
if (copy_from_user(&zone, argp, sizeof zone))
goto out;
r = kvm_vm_ioctl_unregister_coalesced_mmio(kvm, &zone);
if (r)
goto out;
r = 0;
break;
}
#endif
@ -2287,8 +2259,6 @@ static long kvm_vm_compat_ioctl(struct file *filp,
log.dirty_bitmap = compat_ptr(compat_log.dirty_bitmap);
r = kvm_vm_ioctl_get_dirty_log(kvm, &log);
if (r)
goto out;
break;
}
default: