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-rw-r--r--tools/testing/selftests/powerpc/mm/tlbie_test.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/selftests/powerpc/mm/tlbie_test.c b/tools/testing/selftests/powerpc/mm/tlbie_test.c
index 9868a5ddd847..f85a0938ab25 100644
--- a/tools/testing/selftests/powerpc/mm/tlbie_test.c
+++ b/tools/testing/selftests/powerpc/mm/tlbie_test.c
@@ -636,7 +636,7 @@ int main(int argc, char *argv[])
nrthreads = strtoul(optarg, NULL, 10);
break;
case 'l':
- strncpy(logdir, optarg, LOGDIR_NAME_SIZE);
+ strncpy(logdir, optarg, LOGDIR_NAME_SIZE - 1);
break;
case 't':
run_time = strtoul(optarg, NULL, 10);