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Subject[PATCH v2] video: exynos_dp: fix build warning due to uninitialized value
Date
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>
---
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;
--
1.7.1



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