riscv: KVM: Fix SBI TIME error generation

[ Upstream commit b901484852992cf3d162a5eab72251cc813ca624 ]

When an invalid function ID of an SBI extension is used we should
return not-supported, not invalid-param.

Fixes: 5f862df5585c ("RISC-V: KVM: Add v0.1 replacement SBI extensions defined in v0.2")
Signed-off-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20250217084506.18763-11-ajones@ventanamicro.com
Signed-off-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/arch/riscv/kvm/vcpu_sbi_replace.c b/arch/riscv/kvm/vcpu_sbi_replace.c
index 74e3a38c6a29ee2ae57b32ebb153d814813f9279..5fbf3f94f1e85565de85dd04c3643f583c848126 100644 (file)
--- a/arch/riscv/kvm/vcpu_sbi_replace.c
+++ b/arch/riscv/kvm/vcpu_sbi_replace.c
@@ -21,7 +21,7 @@ static int kvm_sbi_ext_time_handler(struct kvm_vcpu *vcpu, struct kvm_run *run,
        u64 next_cycle;
 
        if (cp->a6 != SBI_EXT_TIME_SET_TIMER) {
-               retdata->err_val = SBI_ERR_INVALID_PARAM;
+               retdata->err_val = SBI_ERR_NOT_SUPPORTED;
                return 0;
        }