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authorMasami Hiramatsu <mhiramat@redhat.com>2009-12-15 10:31:21 -0500
committerIngo Molnar <mingo@elte.hu>2009-12-15 14:22:00 -0500
commit7e990a51264cb0c1400155ba72d56f5158ccf919 (patch)
tree02792faf035f5a0be37490bc1f9e6213fce16bba
parentfac13fd54e2bfbb0b49683a9b3ae2bf2a0d7677f (diff)
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.c6
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)
385static void show_perf_probe_event(const char *group, const char *event, 385static void show_perf_probe_event(const char *group, const char *event,
386 const char *place, struct probe_point *pp) 386 const char *place, struct probe_point *pp)
387{ 387{
388 int i; 388 int i, ret;
389 char buf[128]; 389 char buf[128];
390 390
391 e_snprintf(buf, 128, "%s:%s", group, event); 391 ret = e_snprintf(buf, 128, "%s:%s", group, event);
392 if (ret < 0)
393 die("Failed to copy event: %s", strerror(-ret));
392 printf(" %-40s (on %s", buf, place); 394 printf(" %-40s (on %s", buf, place);
393 395
394 if (pp->nr_args > 0) { 396 if (pp->nr_args > 0) {