Call chainevh callback when we are invoked with neither MOD_LOAD nor
MOD_UNLOAD. This makes it possible to add custom hooks for other module events. Return EOPNOTSUPP when there is no callback available. Pointed out by: jhb Reviewed by: jhb MFC after: 1 month
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=214181
@ -181,7 +181,9 @@ syscall_module_handler(struct module *mod, int what, void *arg)
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error = syscall_deregister(data->offset, &data->old_sysent);
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return (error);
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default:
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return EOPNOTSUPP;
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if (data->chainevh)
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return (data->chainevh(mod, what, data->chainarg));
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return (EOPNOTSUPP);
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}
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/* NOTREACHED */
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