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ftrace: do not show freed records in available_filter_functions

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Seems that freed records can appear in the available_filter_functions list.
This patch fixes that.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Steven Rostedt
2008-08-14 22:47:17 -04:00
committed by Ingo Molnar
parent 732f3ca7d4
commit a9fdda33cd
1 changed files with 4 additions and 6 deletions
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10
kernel/trace/ftrace.c
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@@ -872,15 +872,13 @@ t_next(struct seq_file *m, void *v, loff_t *pos)
} }
} else { } else {
rec = &iter->pg->records[iter->idx++]; rec = &iter->pg->records[iter->idx++];
if ((!(iter->flags & FTRACE_ITER_FAILURES) && if ((rec->flags & FTRACE_FL_FREE) ||
(!(iter->flags & FTRACE_ITER_FAILURES) &&
(rec->flags & FTRACE_FL_FAILED)) || (rec->flags & FTRACE_FL_FAILED)) ||
((iter->flags & FTRACE_ITER_FAILURES) && ((iter->flags & FTRACE_ITER_FAILURES) &&
(!(rec->flags & FTRACE_FL_FAILED) || !(rec->flags & FTRACE_FL_FAILED)) ||
(rec->flags & FTRACE_FL_FREE))) ||
((iter->flags & FTRACE_ITER_FILTER) &&
!(rec->flags & FTRACE_FL_FILTER)) ||
((iter->flags & FTRACE_ITER_NOTRACE) && ((iter->flags & FTRACE_ITER_NOTRACE) &&
!(rec->flags & FTRACE_FL_NOTRACE))) { !(rec->flags & FTRACE_FL_NOTRACE))) {