From f9f33fdba159a9c163ecf1dc0106ebd4c2498130 Mon Sep 17 00:00:00 2001 From: Masami Hiramatsu Date: Thu, 14 Aug 2014 02:22:51 +0000 Subject: [PATCH] perf kvm: Use strerror_r instead of strerror Use strerror_r instead of strerror in error messages for thread-safety. Signed-off-by: Masami Hiramatsu Cc: Ingo Molnar Cc: Namhyung Kim Cc: Naohiro Aota Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/20140814022251.3545.83718.stgit@kbuild-fedora.novalocal Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-kvm.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index 14d03edc81c2..1a4ef9cd9d5f 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -990,6 +990,7 @@ static int kvm_live_open_events(struct perf_kvm_stat *kvm) int err, rc = -1; struct perf_evsel *pos; struct perf_evlist *evlist = kvm->evlist; + char sbuf[STRERR_BUFSIZE]; perf_evlist__config(evlist, &kvm->opts); @@ -1026,12 +1027,14 @@ static int kvm_live_open_events(struct perf_kvm_stat *kvm) err = perf_evlist__open(evlist); if (err < 0) { - printf("Couldn't create the events: %s\n", strerror(errno)); + printf("Couldn't create the events: %s\n", + strerror_r(errno, sbuf, sizeof(sbuf))); goto out; } if (perf_evlist__mmap(evlist, kvm->opts.mmap_pages, false) < 0) { - ui__error("Failed to mmap the events: %s\n", strerror(errno)); + ui__error("Failed to mmap the events: %s\n", + strerror_r(errno, sbuf, sizeof(sbuf))); perf_evlist__close(evlist); goto out; } -- 2.30.2