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    SubjectRe: [PATCH 2/3] ftrace: Return EINVAL when writing invalid val to set_ftrace_filter
    On Tue, Nov 03, 2009 at 08:56:28AM +0800, Li Zefan wrote:
    > Currently it doesn't warn user on invald value:
    >
    > # echo nonexist_symbol > set_ftrace_filter
    >
    > Better make it return failure.
    >
    > Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
    > ---


    Acked-by: Frederic Weisbecker <fweisbec@gmail.com>

    But shouldn't we have the same kind of check from
    ftrace_match_module_records() if we haven't matched
    anything with the regex?



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