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authorArnaldo Carvalho de Melo <acme@redhat.com>2016-06-22 10:02:16 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-06-22 10:02:16 -0300
commite1446551e60a7773c3acf3c55bb9449d70127882 (patch)
tree0d22b5b05ff2cd7b1ee01787a5f1474ccf057918 /tools/perf/util/session.c
parent0b04b3dcdfb9aeb0e83c8ca322bf0830ee51ce38 (diff)
perf session: Destructors should accept NULL
And do nothing, just like free(), to avoid having to test it in callers, usually in error paths. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-dyuupcj0hnoyt96vma8b3anv@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/session.c')
-rw-r--r--tools/perf/util/session.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index dfedf097b9b1..43be0c5a6a26 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -178,6 +178,8 @@ static void perf_session__delete_threads(struct perf_session *session)
void perf_session__delete(struct perf_session *session)
{
+ if (session == NULL)
+ return;
auxtrace__free(session);
auxtrace_index__free(&session->auxtrace_index);
perf_session__destroy_kernel_maps(session);