qemu-ppc
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-ppc] [PATCH] spapr: fix memory hotplug error path


From: Daniel Henrique Barboza
Subject: Re: [Qemu-ppc] [PATCH] spapr: fix memory hotplug error path
Date: Mon, 3 Jul 2017 10:13:21 -0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.0



On 07/03/2017 09:21 AM, Greg Kurz wrote:
QEMU shouldn't abort if spapr_add_lmbs()->spapr_drc_attach() fails.
Let's propagate the error instead, like it is done everywhere else
where spapr_drc_attach() is called.

Signed-off-by: Greg Kurz <address@hidden>
---
  hw/ppc/spapr.c |   10 ++++++++--
  1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 70b3fd374e2b..e103be500189 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -2601,6 +2601,7 @@ static void spapr_add_lmbs(DeviceState *dev, uint64_t 
addr_start, uint64_t size,
      int i, fdt_offset, fdt_size;
      void *fdt;
      uint64_t addr = addr_start;
+    Error *local_err = NULL;

      for (i = 0; i < nr_lmbs; i++) {
          drc = spapr_drc_by_id(TYPE_SPAPR_DRC_LMB,
@@ -2611,7 +2612,12 @@ static void spapr_add_lmbs(DeviceState *dev, uint64_t 
addr_start, uint64_t size,
          fdt_offset = spapr_populate_memory_node(fdt, node, addr,
                                                  SPAPR_MEMORY_BLOCK_SIZE);

-        spapr_drc_attach(drc, dev, fdt, fdt_offset, errp);
+        spapr_drc_attach(drc, dev, fdt, fdt_offset, &local_err);
+        if (local_err) {
+            g_free(fdt);
+            error_propagate(errp, local_err);
+            return;
+        }
          addr += SPAPR_MEMORY_BLOCK_SIZE;
      }
      /* send hotplug notification to the
@@ -2657,7 +2663,7 @@ static void spapr_memory_plug(HotplugHandler 
*hotplug_dev, DeviceState *dev,

      spapr_add_lmbs(dev, addr, size, node,
                     spapr_ovec_test(ms->ov5_cas, OV5_HP_EVT),
-                   &error_abort);
+                   &local_err);

  out:
      error_propagate(errp, local_err);


Reviewed-by: Daniel Barboza <address@hidden>




reply via email to

[Prev in Thread] Current Thread [Next in Thread]