LU-14900 tests: do not fail if kmemleak tunable is not writable

Change-Id: Id77430f1e8ff7a8fda6538211a0d36bbe973a889
Test-Parameters: trivial
Fixes: 15c0a21ea9 ("tests: Add kmemleak awareness to test-framework")
Signed-off-by: Oleg Drokin <green@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/44451
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>

diff --git a/lustre/tests/test-framework.sh b/lustre/tests/test-framework.sh
index 258f347..513619c 100755 (executable)
--- a/lustre/tests/test-framework.sh
+++ b/lustre/tests/test-framework.sh
@@ -682,9 +682,9 @@ load_modules_local() {
        # that obviously has nothing to do with this Lustre run
        # Disable automatic memory scanning to avoid perf hit.
        if [ -f /sys/kernel/debug/kmemleak ] ; then
-               echo scan=off > /sys/kernel/debug/kmemleak
-               echo scan > /sys/kernel/debug/kmemleak
-               echo clear > /sys/kernel/debug/kmemleak
+               echo scan=off > /sys/kernel/debug/kmemleak || true
+               echo scan > /sys/kernel/debug/kmemleak || true
+               echo clear > /sys/kernel/debug/kmemleak || true
        fi
 
        echo Loading modules from $LUSTRE