[PATCH 5.4 88/90] perf tests bp_account: Make global variable static

[Greg Kroah-Hartman]

From: Arnaldo Carvalho de Melo <a...@redhat.com>

commit cff20b3151ccab690715cb6cf0f5da5cccb32adf upstream.

To fix the build with newer gccs, that without this patch exit with:

    LD       /tmp/build/perf/tests/perf-in.o
  ld: 
/tmp/build/perf/tests/bp_account.o:/git/perf/tools/perf/tests/bp_account.c:22: 
multiple definition of `the_var'; 
/tmp/build/perf/tests/bp_signal.o:/git/perf/tools/perf/tests/bp_signal.c:38: 
first defined here
  make[4]: *** [/git/perf/tools/build/Makefile.build:145: 
/tmp/build/perf/tests/perf-in.o] Error 1

First noticed in fedora:rawhide/32 with:

  [perfbuilder@a5ff49d6e6e4 ~]$ gcc --version
  gcc (GCC) 10.0.1 20200216 (Red Hat 10.0.1-0.8)

Reported-by: Jiri Olsa <jo...@kernel.org>
Cc: Adrian Hunter <adrian.hun...@intel.com>
Cc: Namhyung Kim <namhy...@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
Cc: Ben Hutchings <b...@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 tools/perf/tests/bp_account.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/tools/perf/tests/bp_account.c
+++ b/tools/perf/tests/bp_account.c
@@ -23,7 +23,7 @@
 #include "../perf-sys.h"
 #include "cloexec.h"
 
-volatile long the_var;
+static volatile long the_var;
 
 static noinline int test_function(void)
 {