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Ben Pfaff authored
Until now, classifier_remove() returned either null or the classifier rule passed to it, which is an unusual interface. This commit changes it to return true if it succeeds or false on failure. In addition, most of classifier_remove()'s callers know ahead of time that it must succeed, even though most of them didn't bother with an assertion, so this commit adds a classifier_remove_assert() function as a helper. Signed-off-by: Ben Pfaff <blp@ovn.org> Tested-by: Yifeng Sun <pkusunyifeng@gmail.com> Reviewed-by: Yifeng Sun <pkusunyifeng@gmail.com>
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