File qom-handle-case-of-chardev-spice-module-.patch of Package qemu.20747

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File qom-handle-case-of-chardev-spice-module-.patch of Package qemu.20747

From: Bruce Rogers <brogers@suse.com>
Date: Mon, 25 Jan 2021 22:09:27 -0700
Subject: qom: handle case of chardev-spice module unavailability

When qemu is built with modules, but a given module doesn't load
qemu should handle that gracefully. When chardev-spice.so isn't
able to be loaded and qemu is invoked with -display spice-app,
qemu will reach an abort call. Explicitly detect these conditions
and error out in a normal way before we reach the abort.

Signed-off-by: Bruce Rogers <brogers@suse.com>
---
 qom/object.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/qom/object.c b/qom/object.c
index 6f301fec34d103b0b07bc41d107c..0dec164192a55d3d9d955d445db9 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -236,6 +236,12 @@ static bool type_is_ancestor(TypeImpl *type, TypeImpl *target_type)
             return true;
         }
 
+
+        if (type->parent && !strcmp(type->parent, "chardev-spiceport")) {
+            if (!type->parent_type && !type_get_by_name(type->parent)) {
+                return false;
+            }
+        }
         type = type_get_parent(type);
     }

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File qom-handle-case-of-chardev-spice-module-.patch of Package qemu.20747

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