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    Subject[PATCH 3/3] tracing/filters: disallow newline as delimeter
    I guess because user input is often ended with '\n' (like "echo xxx"),
    thus '\n' is used as a delimeter besides ' ', but we can just strip
    tailing spaces.

    Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
    ---
    kernel/trace/trace_events_filter.c | 4 +++-
    1 files changed, 3 insertions(+), 1 deletions(-)

    diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
    index 6541828..0cc6229 100644
    --- a/kernel/trace/trace_events_filter.c
    +++ b/kernel/trace/trace_events_filter.c
    @@ -423,7 +423,9 @@ int filter_parse(char **pbuf, struct filter_pred *pred)
    char *tok, *val_str = NULL;
    int tok_n = 0;

    - while ((tok = strsep(pbuf, " \n"))) {
    + strstrip(*pbuf);
    +
    + while ((tok = strsep(pbuf, " "))) {
    if (tok_n == 0) {
    if (!strcmp(tok, "0")) {
    pred->clear = 1;
    --
    1.5.4.rc3


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