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Commit 309b5185 authored by David Ahern's avatar David Ahern Committed by Arnaldo Carvalho de Melo
Browse files

perf tests: Fix compile failure on do_sort_something 



Commit b55ae0a9 added code-reading.c which fails to compile on Fedora 16
with compiler version:
$ gcc --version
gcc (GCC) 4.6.3 20120306 (Red Hat 4.6.3-2)

Failure message is:

tests/code-reading.c: In function ‘do_sort_something’:
tests/code-reading.c:305:13: error: stack protector not protecting local variables: variable length buffer [-Werror=stack-protector]
cc1: all warnings being treated as errors
make: *** [/tmp/junk/tests/code-reading.o] Error 1
make: *** Waiting for unfinished jobs....

v2: as Adrian noticed changed sizeof to ARRAY_SIZE

Signed-off-by: default avatarDavid Ahern <dsahern@gmail.com>
Acked-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1376454732-83728-1-git-send-email-dsahern@gmail.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 326f59bf

tools/perf/tests/code-reading.c

+5 −6
Original line number Diff line number Diff line
@@ -304,15 +304,14 @@ static int comp(const void *a, const void *b) 


static void do_sort_something(void)

{

	size_t sz = 40960;

	int buf[sz], i;

	int buf[40960], i;



	for (i = 0; i < (int)sz; i++)

		buf[i] = sz - i - 1;

	for (i = 0; i < (int)ARRAY_SIZE(buf); i++)

		buf[i] = ARRAY_SIZE(buf) - i - 1;



	qsort(buf, sz, sizeof(int), comp);

	qsort(buf, ARRAY_SIZE(buf), sizeof(int), comp);



	for (i = 0; i < (int)sz; i++) {

	for (i = 0; i < (int)ARRAY_SIZE(buf); i++) {

		if (buf[i] != i) {

			pr_debug("qsort failed\n");

			break;