From: Miaohe Lin <[email protected]>
The var err and jump label out isn't really needed in
set_core_reg(). Clean them up.
Signed-off-by: Miaohe Lin <[email protected]>
---
arch/arm64/kvm/guest.c | 13 ++++---------
1 file changed, 4 insertions(+), 9 deletions(-)
diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c
index 3b836c91609e..88eb6e5399ed 100644
--- a/arch/arm64/kvm/guest.c
+++ b/arch/arm64/kvm/guest.c
@@ -159,7 +159,6 @@ static int set_core_reg(struct kvm_vcpu *vcpu, const struct
kvm_one_reg *reg)
__uint128_t tmp;
void *valp = &tmp;
u64 off;
- int err = 0;
/* Our ID is an index into the kvm_regs struct. */
off = core_reg_offset_from_id(reg->id);
@@ -173,10 +172,8 @@ static int set_core_reg(struct kvm_vcpu *vcpu, const
struct kvm_one_reg *reg)
if (KVM_REG_SIZE(reg->id) > sizeof(tmp))
return -EINVAL;
- if (copy_from_user(valp, uaddr, KVM_REG_SIZE(reg->id))) {
- err = -EFAULT;
- goto out;
- }
+ if (copy_from_user(valp, uaddr, KVM_REG_SIZE(reg->id)))
+ return -EFAULT;
if (off == KVM_REG_ARM_CORE_REG(regs.pstate)) {
u64 mode = (*(u64 *)valp) & PSR_AA32_MODE_MASK;
@@ -200,14 +197,12 @@ static int set_core_reg(struct kvm_vcpu *vcpu, const
struct kvm_one_reg *reg)
return -EINVAL;
break;
default:
- err = -EINVAL;
- goto out;
+ return -EINVAL;
}
}
memcpy((u32 *)regs + off, valp, KVM_REG_SIZE(reg->id));
-out:
- return err;
+ return 0;
}
#define vq_word(vq) (((vq) - SVE_VQ_MIN) / 64)
--
2.19.1
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