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plugins/api-system: Handle migrate_add_blocker() failure

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migrate_add_blocker() can fail (e.g. if migration is already in
progress), in which case it returns a negative value and populates
its errp argument with the reason.

The previous code ignored the return value. Pass &error_fatal so
that on failure QEMU exits cleanly with an informative error message
rather than continuing in an inconsistent state.

Resolves: CID 1645470
Signed-off-by: Trieu Huynh <vikingtc4@gmail.com>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Tested-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Link: https://lore.kernel.org/qemu-devel/20260317134733.126584-1-vikingtc4@gmail.com
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
This commit is contained in:
Trieu Huynh
2026-03-17 22:47:33 +09:00
committed by Pierrick Bouvier
parent 6667668e0c
commit db52193355
1 changed files with 1 additions and 1 deletions
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2
plugins/api-system.c
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@@ -108,7 +108,7 @@ const void *qemu_plugin_request_time_control(void)
has_control = true;
error_setg(&migration_blocker,
"TCG plugin time control does not support migration");
migrate_add_blocker(&migration_blocker, NULL);
migrate_add_blocker(&migration_blocker, &error_fatal);
return &has_control;
}
return NULL;