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From: tip-bot f. M. H. <mhi...@re...> - 2009-12-15 19:26:33
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Commit-ID: 7e990a51264cb0c1400155ba72d56f5158ccf919 Gitweb: http://git.kernel.org/tip/7e990a51264cb0c1400155ba72d56f5158ccf919 Author: Masami Hiramatsu <mhi...@re...> AuthorDate: Tue, 15 Dec 2009 10:31:21 -0500 Committer: Ingo Molnar <mi...@el...> CommitDate: Tue, 15 Dec 2009 20:22:00 +0100 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 <mhi...@re...> Cc: Paul Mackerras <pa...@sa...> Cc: Arnaldo Carvalho de Melo <ac...@re...> Cc: Steven Rostedt <ro...@go...> Cc: Jim Keniston <jke...@us...> Cc: Ananth N Mavinakayanahalli <an...@in...> Cc: Christoph Hellwig <hc...@in...> Cc: Frank Ch. Eigler <fc...@re...> Cc: Jason Baron <jb...@re...> Cc: K.Prasad <pr...@li...> Cc: Peter Zijlstra <pe...@in...> Cc: Srikar Dronamraju <sr...@li...> Cc: systemtap <sys...@so...> Cc: DLE <dle...@li...> Cc: Frederic Weisbecker <fwe...@gm...> LKML-Reference: <200...@dh...> Signed-off-by: Ingo Molnar <mi...@el...> --- 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 add379c..1653a62 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) { |