Messages in this thread | | | Date | Mon, 7 Dec 2009 15:43:15 +0100 | Subject | Re: [PATCH 06/13] function-graph: Allow writing the same val to set_graph_function | From | Frederic Weisbecker <> |
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2009/12/7 Li Zefan <lizf@cn.fujitsu.com>: > # echo 'do_open' > set_graph_function > # echo 'do_open' >> set_graph_function > bash: echo: write error: Invalid argument > > Make it valid to write the same value to set_graph_function, > which is consistent with set_ftrace_filter interface. > > Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
> --- > kernel/trace/ftrace.c | 5 ++--- > 1 files changed, 2 insertions(+), 3 deletions(-) > > diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c > index ff8aecd..7968762 100644 > --- a/kernel/trace/ftrace.c > +++ b/kernel/trace/ftrace.c > @@ -2552,10 +2552,9 @@ ftrace_set_func(unsigned long *array, int *idx, char *buffer) > exists = true; > break; > } > - if (!exists) { > + if (!exists) > array[(*idx)++] = rec->ip; > - found = 1; > - } > + found = 1; > } > } while_for_each_ftrace_rec(); > > -- > 1.6.3 > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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