[PATCH V1] arm64: kvm-ptp: Fix unreasonable return value judgment
From: Xin Hao <hidden>
Date: 2021-11-19 02:36:56
Also in:
lkml
Subsystem:
networking drivers, ptp hardware clock support, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Richard Cochran, Linus Torvalds
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 <redacted> --- 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