[PATCH 07/30] media: v4l2-tpg-core: avoid buffer overflows

[Mauro Carvalho Chehab]

Fix the following warnings:
        drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:1146 gen_twopix() error: 
buffer overflow 'buf[1]' 8 <= 8
        drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:1152 gen_twopix() error: 
buffer overflow 'buf[1]' 8 <= 8

Signed-off-by: Mauro Carvalho Chehab <mche...@s-opensource.com>
---
 drivers/media/common/v4l2-tpg/v4l2-tpg-core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c 
b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
index d248d1fb9d1d..37632bc524d4 100644
--- a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
+++ b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
@@ -1143,13 +1143,13 @@ static void gen_twopix(struct tpg_data *tpg,
        case V4L2_PIX_FMT_NV24:
                buf[0][offset] = r_y_h;
                buf[1][2 * offset] = g_u_s;
-               buf[1][2 * offset + 1] = b_v;
+               buf[1][(2 * offset + 1) % 8] = b_v;
                break;
 
        case V4L2_PIX_FMT_NV42:
                buf[0][offset] = r_y_h;
                buf[1][2 * offset] = b_v;
-               buf[1][2 * offset + 1] = g_u_s;
+               buf[1][(2 * offset + 1) %8] = g_u_s;
                break;
 
        case V4L2_PIX_FMT_YUYV:
-- 
2.14.3