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authorGreg Kurz <groug@kaod.org>2020-09-14 14:34:56 +0200
committerDavid Gibson <david@gibson.dropbear.id.au>2020-10-09 10:15:06 +1100
commit7e92da81be377a604f4ace7551ce61dd51afbbaa (patch)
treef5ede88369b2c61fce0832325fd9c5f2a57c463b /hw
parent121afbe487b7b10b9fc683be16068368e1ad0f11 (diff)
spapr: Simplify error handling in do_client_architecture_support()
Use the return value of ppc_set_compat_all() to check failures, which is preferred over hijacking local_err. Signed-off-by: Greg Kurz <groug@kaod.org> Message-Id: <20200914123505.612812-7-groug@kaod.org> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'hw')
-rw-r--r--hw/ppc/spapr_hcall.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c
index 885ea60778..607740150f 100644
--- a/hw/ppc/spapr_hcall.c
+++ b/hw/ppc/spapr_hcall.c
@@ -1666,7 +1666,6 @@ target_ulong do_client_architecture_support(PowerPCCPU *cpu,
uint32_t cas_pvr;
SpaprOptionVector *ov1_guest, *ov5_guest;
bool guest_radix;
- Error *local_err = NULL;
bool raw_mode_supported = false;
bool guest_xive;
CPUState *cs;
@@ -1697,8 +1696,9 @@ target_ulong do_client_architecture_support(PowerPCCPU *cpu,
/* Update CPUs */
if (cpu->compat_pvr != cas_pvr) {
- ppc_set_compat_all(cas_pvr, &local_err);
- if (local_err) {
+ Error *local_err = NULL;
+
+ if (ppc_set_compat_all(cas_pvr, &local_err) < 0) {
/* We fail to set compat mode (likely because running with KVM PR),
* but maybe we can fallback to raw mode if the guest supports it.
*/
@@ -1707,7 +1707,6 @@ target_ulong do_client_architecture_support(PowerPCCPU *cpu,
return H_HARDWARE;
}
error_free(local_err);
- local_err = NULL;
}
}