block/copy-before-write: drop extra bdrv_unref on failure path

[qemu.git] / qom / trace-events

# See docs/devel/tracing.rst for syntax documentation.

# object.c
object_dynamic_cast_assert(const char *type, const char *target, const char *file, int line, const char *func) "%s->%s (%s:%d:%s)"
object_class_dynamic_cast_assert(const char *type, const char *target, const char *file, int line, const char *func) "%s->%s (%s:%d:%s)"