* [PATCH V1] arm64: kvm-ptp: Fix unreasonable return value judgment
@ 2021-11-19 2:36 Xin Hao
0 siblings, 0 replies; only message in thread
From: Xin Hao @ 2021-11-19 2:36 UTC (permalink / raw)
To: richardcochran; +Cc: xhao, netdev, linux-kernel
In kvm_arch_ptp_init() func, it calls kvm_arm_hyp_service_available()
which return value is bool type, the return value cannot be less than 0
So there fix it.
Signed-off-by: Xin Hao <xhao@linux.alibaba.com>
---
drivers/ptp/ptp_kvm_arm.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/ptp/ptp_kvm_arm.c b/drivers/ptp/ptp_kvm_arm.c
index b7d28c8dfb84..38b06e87a192 100644
--- a/drivers/ptp/ptp_kvm_arm.c
+++ b/drivers/ptp/ptp_kvm_arm.c
@@ -13,10 +13,7 @@
int kvm_arch_ptp_init(void)
{
- int ret;
-
- ret = kvm_arm_hyp_service_available(ARM_SMCCC_KVM_FUNC_PTP);
- if (ret <= 0)
+ if (!kvm_arm_hyp_service_available(ARM_SMCCC_KVM_FUNC_PTP))
return -EOPNOTSUPP;
return 0;
--
2.31.0
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