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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2018-03-22 20:54:18 +0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2018-03-23 13:28:42 +0300
commit1a086879fdd37d9e4c3dd4e49fac62f7e418e17e (patch)
tree06b1cd6d510534d32f58764a367cd645775f6dae /drivers/media/common/v4l2-tpg
parentbaa6f19b37cc1aebf6e84ed4c451f1078693bb4b (diff)
downloadlinux-1a086879fdd37d9e4c3dd4e49fac62f7e418e17e.tar.xz
media: v4l2-tpg-core: avoid buffer overflows
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 <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/common/v4l2-tpg')
-rw-r--r--drivers/media/common/v4l2-tpg/v4l2-tpg-core.c4
1 files 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: