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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
parent121afbe487b7b10b9fc683be16068368e1ad0f11 (diff)
downloadfocaccia-qemu-7e92da81be377a604f4ace7551ce61dd51afbbaa.tar.gz
focaccia-qemu-7e92da81be377a604f4ace7551ce61dd51afbbaa.zip
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 '')
-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;
         }
     }