diff options
| author | Li Zefan <[email protected]> | 2010-01-14 10:53:41 +0800 |
|---|---|---|
| committer | Steven Rostedt <[email protected]> | 2010-01-14 22:38:07 -0500 |
| commit | a3291c14ecf0a995e30d993b7f2cae031de98727 (patch) | |
| tree | 46b0ed65d437fdffba57866af1ce51d0d15a7673 | |
| parent | 285caad415f459f336247932b4db95a571357a02 (diff) | |
tracing/filters: Fix MATCH_END_ONLY filter matching
For '*foo' pattern, we should allow any string ending with
'foo', but event filtering incorrectly disallows strings
like bar_foo_foo:
Signed-off-by: Li Zefan <[email protected]>
LKML-Reference: <[email protected]>
Acked-by: Frederic Weisbecker <[email protected]>
Signed-off-by: Steven Rostedt <[email protected]>
| -rw-r--r-- | kernel/trace/trace_events_filter.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c index 11c3973e6552..49e44dd17851 100644 --- a/kernel/trace/trace_events_filter.c +++ b/kernel/trace/trace_events_filter.c @@ -275,9 +275,10 @@ static int regex_match_middle(char *str, struct regex *r, int len) static int regex_match_end(char *str, struct regex *r, int len) { - char *ptr = strstr(str, r->pattern); + int strlen = len - 1; - if (ptr && (ptr[r->len] == 0)) + if (strlen >= r->len && + memcmp(str + strlen - r->len, r->pattern, r->len) == 0) return 1; return 0; } |