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Commit f9f33fdb authored by Masami Hiramatsu's avatar Masami Hiramatsu Committed by Arnaldo Carvalho de Melo
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perf kvm: Use strerror_r instead of strerror 



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

Signed-off-by: default avatarMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Naohiro Aota <naota@elisp.net>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20140814022251.3545.83718.stgit@kbuild-fedora.novalocal


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 340481ad

tools/perf/builtin-kvm.c

+5 −2
Original line number Diff line number Diff line
@@ -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;

	}