On Thu, 2013-05-09 at 14:44 +0900, Masami Hiramatsu wrote: > Return 0 instead of the number of activated ftrace if > event_enable_func succeeded and return an error code if failed, > beacuse 0 is success code at caller (ftrace_regex_write). > > Without this fix, writing enable_event trigger on set_ftrace_filter > always doesn't work, since event_enable_func returns 1 to > ftrace_regex_write, it consumes 1 byte and pass input string > without the first character again. This makes event_enable_func > fail and disables event entry. >
Ah, this actually fixes two bugs! :-) A typo will be considered success, but it also sends back to the user that it only wrote one byte! -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
