diff options
| -rw-r--r-- | drivers/gpu/drm/i2c/tda9950.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i2c/tda9950.c b/drivers/gpu/drm/i2c/tda9950.c index 3f7396caad48..5d2f0d548469 100644 --- a/drivers/gpu/drm/i2c/tda9950.c +++ b/drivers/gpu/drm/i2c/tda9950.c @@ -76,9 +76,12 @@ struct tda9950_priv { static int tda9950_write_range(struct i2c_client *client, u8 addr, u8 *p, int cnt) { struct i2c_msg msg; - u8 buf[cnt + 1]; + u8 buf[CEC_MAX_MSG_SIZE + 3]; int ret; + if (WARN_ON(cnt > sizeof(buf) - 1)) + return -EINVAL; + buf[0] = addr; memcpy(buf + 1, p, cnt); |