Messages in this thread Patch in this message | | | From | Wang Yu <> | Subject | [PATCH] ftrace: fix task's invalid comm of <...> when big pid | Date | Wed, 28 Mar 2018 20:32:27 +0800 |
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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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