diff mbox series

[PULL,07/20] spapr: Simplify error handling in do_client_architecture_support()

Message ID 20201009101951.1569252-8-david@gibson.dropbear.id.au
State New, archived
Headers show
Series [PULL,01/20] spapr: Handle HPT allocation failure in nested guest | expand

Commit Message

David Gibson Oct. 9, 2020, 10:19 a.m. UTC
From: Greg Kurz <groug@kaod.org>

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>
---
 hw/ppc/spapr_hcall.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)
diff mbox series

Patch

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;
         }
     }