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tracing/filters: Fix MATCH_FRONT_ONLY filter matching
MATCH_FRONT_ONLY actually is a full matching: # ./perf record -R -f -a -e lock:lock_acquire \ --filter 'name ~rcu_*' sleep 1 # ./perf trace (no output) We should pass the length of the pattern string to strncmp(). Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> LKML-Reference: <4B4E8721.5090301@cn.fujitsu.com> Acked-by: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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@ -261,7 +261,7 @@ static int regex_match_full(char *str, struct regex *r, int len)
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static int regex_match_front(char *str, struct regex *r, int len)
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static int regex_match_front(char *str, struct regex *r, int len)
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{
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{
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if (strncmp(str, r->pattern, len) == 0)
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if (strncmp(str, r->pattern, r->len) == 0)
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return 1;
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return 1;
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return 0;
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return 0;
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}
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}
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