From 0c115681a5194a53a4b373c4ff6d8b42ddd23b55 Mon Sep 17 00:00:00 2001 From: Vladimir Sementsov-Ogievskiy Date: Thu, 5 Dec 2019 20:46:21 +0300 Subject: [PATCH] ppc: make Error **errp const where it is appropriate Mostly, Error ** is for returning error from the function, so the callee sets it. However kvmppc_hint_smt_possible gets already filled errp parameter. It doesn't change the pointer itself, only change the internal state of referenced Error object. So we can make it Error *const * errp, to stress the behavior. It will also help coccinelle script (in future) to distinguish such cases from common errp usage. While there, rename the function to kvmppc_error_append_smt_possible_hint(). Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Greg Kurz Message-Id: <20191205174635.18758-8-vsementsov@virtuozzo.com> Acked-by: David Gibson Reviewed-by: Markus Armbruster [Commit message replaced] Signed-off-by: Markus Armbruster --- hw/ppc/spapr.c | 2 +- target/ppc/kvm.c | 2 +- target/ppc/kvm_ppc.h | 4 ++-- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 32e1cc1d3f..f11422fc41 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -2486,7 +2486,7 @@ static void spapr_set_vsmt_mode(SpaprMachineState *spapr, Error **errp) " requires the use of VSMT mode %d.\n", smp_threads, kvm_smt, spapr->vsmt); } - kvmppc_hint_smt_possible(&local_err); + kvmppc_error_append_smt_possible_hint(&local_err); goto out; } } diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c index c77f9848ec..27ea3ce535 100644 --- a/target/ppc/kvm.c +++ b/target/ppc/kvm.c @@ -2076,7 +2076,7 @@ int kvmppc_set_smt_threads(int smt) return ret; } -void kvmppc_hint_smt_possible(Error **errp) +void kvmppc_error_append_smt_possible_hint(Error *const *errp) { int i; GString *g; diff --git a/target/ppc/kvm_ppc.h b/target/ppc/kvm_ppc.h index 98bd7d5da6..f22daabf51 100644 --- a/target/ppc/kvm_ppc.h +++ b/target/ppc/kvm_ppc.h @@ -28,7 +28,7 @@ void kvmppc_set_papr(PowerPCCPU *cpu); int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t compat_pvr); void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy); int kvmppc_smt_threads(void); -void kvmppc_hint_smt_possible(Error **errp); +void kvmppc_error_append_smt_possible_hint(Error *const *errp); int kvmppc_set_smt_threads(int smt); int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits); int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits); @@ -164,7 +164,7 @@ static inline int kvmppc_smt_threads(void) return 1; } -static inline void kvmppc_hint_smt_possible(Error **errp) +static inline void kvmppc_error_append_smt_possible_hint(Error *const *errp) { return; } -- 2.30.2