[igt-dev] [PATCH i-g-t] tests/kms_plane_scaling: Fix out-of-bound array access

[Swati Sharma]

When k == n_planes - 1, we will try to access planes[n_planes],
which is out of bounds. Fix this.

Reported-by: Luca Coelho <luciano.coelho at intel.com>
Signed-off-by: Swati Sharma <swati2.sharma at intel.com>
---
 tests/kms_plane_scaling.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/kms_plane_scaling.c b/tests/kms_plane_scaling.c
index 3a6904afb..8d78752cc 100644
--- a/tests/kms_plane_scaling.c
+++ b/tests/kms_plane_scaling.c
@@ -744,7 +744,7 @@ test_planes_scaling_combo(data_t *d, int w1, int h1, int w2, int h2,
 		igt_assert(0);
 	}
 
-	for (int k = 0; k < display->pipes[pipe].n_planes; k++) {
+	for (int k = 0; k < display->pipes[pipe].n_planes - 1; k++) {
 		igt_plane_t *p1, *p2;
 
 		p1 = &display->pipes[pipe].planes[k];
-- 
2.25.1