perf tests: Fix typo in sample-parsing.c

It was testing the same buffer for differences:

   memcmp(s1->user_stack.data, s1->user_stack.data, s1->user_stack.size)

I'm pretty sure this wasn't supposed to be dead code.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1421946083-29863-1-git-send-email-linux@rasmusvillemoes.dk
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/tests/sample-parsing.c b/tools/perf/tests/sample-parsing.c
index 4908c648a59783fa0dee6f78055a1ec454f50fed..30c02181e78b228449fa5263f7b0b4c9e33a54d8 100644 (file)
--- a/tools/perf/tests/sample-parsing.c
+++ b/tools/perf/tests/sample-parsing.c
@@ -110,7 +110,7 @@ static bool samples_same(const struct perf_sample *s1,
 
        if (type & PERF_SAMPLE_STACK_USER) {
                COMP(user_stack.size);
-               if (memcmp(s1->user_stack.data, s1->user_stack.data,
+               if (memcmp(s1->user_stack.data, s2->user_stack.data,
                           s1->user_stack.size)) {
                        pr_debug("Samples differ at 'user_stack'\n");
                        return false;