[PATCH 11/13] perf kvm: Use strerror_r instead of strerror

[Masami Hiramatsu]

Use strerror_r instead of strerror in error messages
for thread-safety.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu...@hitachi.com>
---
 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 14d03ed..1a4ef9c 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;
        }

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