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[PULL,14/28] pseries: Clean up error handling in spapr_vga_init()

Message ID 1453684527-23564-15-git-send-email-david@gibson.dropbear.id.au
State New, archived
Headers show

Commit Message

David Gibson Jan. 25, 2016, 1:15 a.m. UTC
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 <david@gibson.dropbear.id.au>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
---
 hw/ppc/spapr.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)
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Patch

diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 5793205..c04666d 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1245,7 +1245,7 @@  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:
@@ -1256,9 +1256,9 @@  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;
     }
 }
 
@@ -1933,7 +1933,7 @@  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;
     }