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    Subject[PATCH] ftrace: fix task's invalid comm of <...> when big pid
    Date
    when pid is bigger than PID_MAX_DEFAULT, the comm of task
    is <...>, it is better use pid_max to compare

    Signed-off-by: Wang Yu <yuwang@linux.alibaba.com>
    ---
    kernel/trace/trace.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)
    mode change 100644 => 100755 kernel/trace/trace.c

    diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
    old mode 100644
    new mode 100755
    index 20a2300..0d4bc7a
    --- a/kernel/trace/trace.c
    +++ b/kernel/trace/trace.c
    @@ -1976,7 +1976,7 @@ static void __trace_find_cmdline(int pid, char comm[])
    return;
    }

    - if (pid > PID_MAX_DEFAULT) {
    + if (pid > pid_max) {
    strcpy(comm, "<...>");
    return;
    }
    --
    1.8.3.1
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