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| author | Masami Hiramatsu <mhiramat@redhat.com> | 2009-12-15 10:31:21 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-12-15 20:22:00 +0100 |
| commit | 7e990a51264cb0c1400155ba72d56f5158ccf919 (patch) | |
| tree | 02792faf035f5a0be37490bc1f9e6213fce16bba | |
| parent | fac13fd54e2bfbb0b49683a9b3ae2bf2a0d7677f (diff) | |
| download | linux-7e990a51264cb0c1400155ba72d56f5158ccf919.tar.bz2 | |
perf probe: Check the result of e_snprintf()
Fix show_perf_probe_event() to check the result of e_snprintf().
Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Jim Keniston <jkenisto@us.ibm.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Frank Ch. Eigler <fche@redhat.com>
Cc: Jason Baron <jbaron@redhat.com>
Cc: K.Prasad <prasad@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: systemtap <systemtap@sources.redhat.com>
Cc: DLE <dle-develop@lists.sourceforge.net>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <20091215153121.17436.34674.stgit@dhcp-100-2-132.bos.redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | tools/perf/util/probe-event.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index add379c55c36..1653a62a478e 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -385,10 +385,12 @@ static void clear_probe_point(struct probe_point *pp) static void show_perf_probe_event(const char *group, const char *event, const char *place, struct probe_point *pp) { - int i; + int i, ret; char buf[128]; - e_snprintf(buf, 128, "%s:%s", group, event); + ret = e_snprintf(buf, 128, "%s:%s", group, event); + if (ret < 0) + die("Failed to copy event: %s", strerror(-ret)); printf(" %-40s (on %s", buf, place); if (pp->nr_args > 0) { |