Re: [PATCH v2] video: exynos_dp: fix build warning due to uninitialized value

Florian Tobias Schandinat
2012-06-24T21:00:25Z

On 06/20/2012 01:25 AM, Jingoo Han wrote:
> This patch fixes build warning due to uninitialized value dereference.
>
> drivers/video/exynos/exynos_dp_core.c: In function 'exynos_dp_set_link_train':
> drivers/video/exynos/exynos_dp_core.c:529:18: warning: 'reg' may be used uninitialized in this function [-Wuninitialized]
> drivers/video/exynos/exynos_dp_core.c:395:6: note: 'reg' was declared here
>
> Signed-off-by: Olof Johansson <olof@lixom.net>
> Signed-off-by: Jingoo Han <jg1.han@samsung.com>

Applied.

Thanks,

Florian Tobias Schandinat

> ---
> drivers/video/exynos/exynos_dp_core.c | 3 +++
> 1 files changed, 3 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/video/exynos/exynos_dp_core.c b/drivers/video/exynos/exynos_dp_core.c
> index a36b2d2..9db7b9f 100644
> --- a/drivers/video/exynos/exynos_dp_core.c
> +++ b/drivers/video/exynos/exynos_dp_core.c
> @@ -407,6 +407,9 @@ static unsigned int exynos_dp_get_lane_link_training(
> case 3:
> reg = exynos_dp_get_lane3_link_training(dp);
> break;
> + default:
> + WARN_ON(1);
> + return 0;
> }
>
> return reg;