On Mon, 24 Sep 2012 23:24:09 +0800, Feng Tang wrote: [snip] > +/* Return 0 if matched */ > +int check_perf_magic(u64 magic) > +{ > + if (!memcmp(&magic, __perf_magic1, sizeof(magic)) > + || magic == __perf_magic2 > + || magic == __perf_magic2_sw) > + return 0; > + > + return -1; > +}
Just an idea. How about returning version number instead of 0 so that it can be used elsewhere those check is needed and possibly wants to know the version number also? Thanks, Namhyung -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/