[tip:locking/core] tools/lib/lockdep: Hide liblockdep output from test results

[tip-bot for Levin, Alexander (Sasha Levin)]

Commit-ID:  4ea4b3c25752499a67c4a35cafd2d5535017faad
Gitweb:     http://git.kernel.org/tip/4ea4b3c25752499a67c4a35cafd2d5535017faad
Author:     Levin, Alexander (Sasha Levin) <alexander.levin@xxxxxxxxxxx>
AuthorDate: Thu, 25 May 2017 12:58:58 +0000
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Mon, 5 Jun 2017 09:28:13 +0200

tools/lib/lockdep: Hide liblockdep output from test results

This would prevent the liblockdep error messages from getting
mixed in with the test result output.

Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: a.p.zijlstra@xxxxxxxxx
Cc: ben@xxxxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/20170525130005.5947-22-alexander.levin@xxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 tools/lib/lockdep/run_tests.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/lib/lockdep/run_tests.sh b/tools/lib/lockdep/run_tests.sh
index 3fd297b..f9b9409 100755
--- a/tools/lib/lockdep/run_tests.sh
+++ b/tools/lib/lockdep/run_tests.sh
@@ -6,7 +6,7 @@ for i in `ls tests/*.c`; do
 	testname=$(basename "$i" .c)
 	gcc -o tests/$testname -pthread $i liblockdep.a -Iinclude -D__USE_LIBLOCKDEP &> /dev/null
 	echo -ne "$testname... "
-	if [ $(timeout 1 ./tests/$testname | wc -l) -gt 0 ]; then
+	if [ $(timeout 1 ./tests/$testname 2>&1 | wc -l) -gt 0 ]; then
 		echo "PASSED!"
 	else
 		echo "FAILED!"
@@ -20,7 +20,7 @@ for i in `ls tests/*.c`; do
 	testname=$(basename "$i" .c)
 	gcc -o tests/$testname -pthread -Iinclude $i &> /dev/null
 	echo -ne "(PRELOAD) $testname... "
-	if [ $(timeout 1 ./lockdep ./tests/$testname | wc -l) -gt 0 ]; then
+	if [ $(timeout 1 ./lockdep ./tests/$testname 2>&1 | wc -l) -gt 0 ]; then
 		echo "PASSED!"
 	else
 		echo "FAILED!"