diff options
| author | Masami Hiramatsu <[email protected]> | 2010-04-14 18:39:35 -0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2010-04-14 17:41:14 -0300 |
| commit | dd259c5db26ccda46409dbf6efc79d5a2b259e38 (patch) | |
| tree | c392f55f5a6529c053c1a5581d96b007f2a92229 | |
| parent | 7ca5989dd065cbc48a958666c273794686ea7525 (diff) | |
perf probe: Fix mis-estimation for shortening filename
Fix mis-estimation size for making a short filename.
Since the buffer size is 32 bytes and there are '@' prefix and
'\0' termination, maximum shorten filename length should be
30. This means, before searching '/', it should be 31 bytes.
LKML-Reference: <[email protected]>
Signed-off-by: Masami Hiramatsu <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Ingo Molnar <[email protected]>
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
| -rw-r--r-- | tools/perf/util/probe-event.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 1c4a20a284c0..6d438391bae5 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -806,12 +806,12 @@ static char *synthesize_perf_probe_point(struct perf_probe_point *pp) goto error; } if (pp->file) { - len = strlen(pp->file) - 32; + len = strlen(pp->file) - 31; if (len < 0) len = 0; tmp = strchr(pp->file + len, '/'); if (!tmp) - tmp = pp->file + len - 1; + tmp = pp->file + len; ret = e_snprintf(file, 32, "@%s", tmp + 1); if (ret <= 0) goto error; |