linux-kernel - [PATCH v2 1/3] staging: media: tegra-video: Fix -Wmaybe-unitialized warn in gcc

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Message-Id: <20240325-gcc-arm-warnings-v2-1-47523cf5c8ca@chromium.org>
Date: Mon, 25 Mar 2024 14:19:53 +0000
From: Ricardo Ribalda <ribalda@...omium.org>
To: Thierry Reding <thierry.reding@...il.com>, 
 Jonathan Hunter <jonathanh@...dia.com>, 
 Sowjanya Komatineni <skomatineni@...dia.com>, 
 Luca Ceresoli <luca.ceresoli@...tlin.com>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Hans Verkuil <hverkuil@...all.nl>
Cc: linux-media@...r.kernel.org, linux-tegra@...r.kernel.org, 
 linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org, 
 Ricardo Ribalda <ribalda@...omium.org>
Subject: [PATCH v2 1/3] staging: media: tegra-video: Fix
 -Wmaybe-unitialized warn in gcc

Make sure that tegra20_vi_get_input_formats always assign a value for
yuv_input_format.

Fix:
drivers/staging/media/tegra-video/tegra20.c:624:72: warning: ‘yuv_input_format’ may be used uninitialized [-Wmaybe-uninitialized]

Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
---
 drivers/staging/media/tegra-video/tegra20.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/media/tegra-video/tegra20.c b/drivers/staging/media/tegra-video/tegra20.c
index c25286772603c..c39b52d0e4447 100644
--- a/drivers/staging/media/tegra-video/tegra20.c
+++ b/drivers/staging/media/tegra-video/tegra20.c
@@ -176,6 +176,7 @@ static void tegra20_vi_get_input_formats(struct tegra_vi_channel *chan,
 		(*yuv_input_format) = VI_INPUT_YUV_INPUT_FORMAT_YUYV;
 		break;
 	case MEDIA_BUS_FMT_YVYU8_2X8:
+	default:
 		(*yuv_input_format) = VI_INPUT_YUV_INPUT_FORMAT_YVYU;
 		break;
 	}

-- 
2.44.0.396.g6e790dbe36-goog