On 01/19/2016 02:39 PM, David Gibson wrote:
Use error_setg() to return an error rather than an explicit exit().
Previously it was an exit(0) instead of a non-zero exit code, which was
simply a bug.  Also improve the error message.

While we're at it change the type of spapr_vga_init() to bool since that's
how we're using it anyway.

Signed-off-by: David Gibson <da...@gibson.dropbear.id.au>
Reviewed-by: Thomas Huth <th...@redhat.com>

Reviewed-by: Alexey Kardashevskiy <a...@ozlabs.ru>


---
  hw/ppc/spapr.c | 10 +++++-----
  1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index fb0e254..1ce9b27 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1238,7 +1238,7 @@ static void spapr_rtc_create(sPAPRMachineState *spapr)
  }

  /* Returns whether we want to use VGA or not */
-static int spapr_vga_init(PCIBus *pci_bus)
+static bool spapr_vga_init(PCIBus *pci_bus, Error **errp)
  {
      switch (vga_interface_type) {
      case VGA_NONE:
@@ -1249,9 +1249,9 @@ static int spapr_vga_init(PCIBus *pci_bus)
      case VGA_VIRTIO:
          return pci_vga_init(pci_bus) != NULL;
      default:
-        fprintf(stderr, "This vga model is not supported,"
-                "currently it only supports -vga std\n");
-        exit(0);
+        error_setg(errp,
+                   "Unsupported VGA mode, only -vga std or -vga virtio is 
supported");
+        return false;
      }
  }

@@ -1926,7 +1926,7 @@ static void ppc_spapr_init(MachineState *machine)
      }

      /* Graphics */
-    if (spapr_vga_init(phb->bus)) {
+    if (spapr_vga_init(phb->bus, &error_fatal)) {
          spapr->has_graphics = true;
          machine->usb |= defaults_enabled() && !machine->usb_disabled;
      }



--
Alexey

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