ftrace: avoid duplicated function when writing set_graph_function

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Impact: fix a bug in function filter setting

when writing function to set_graph_function, we should check whether it
has existed in set_graph_function to avoid duplicating.

Signed-off-by: Liming Wang <liming.wang@windriver.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Liming Wang 2008-12-04 14:24:49 +08:00 • committed by Ingo Molnar

parent 6b2539302b

commit faec2ec505

1 changed files with 8 additions and 2 deletions

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kernel/trace/ftrace.c

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