linux-kernel - [PATCH 5.4 080/184] media: imx: capture: Return -EPIPE from __capture_legacy_try

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Message-Id: <20210510101952.803172280@linuxfoundation.org>
Date:   Mon, 10 May 2021 12:19:34 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Rui Miguel Silva <rmfrfs@...il.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 080/184] media: imx: capture: Return -EPIPE from __capture_legacy_try_fmt()

From: Laurent Pinchart <laurent.pinchart@...asonboard.com>

[ Upstream commit cc271b6754691af74d710b761eaf027e3743e243 ]

The correct return code to report an invalid pipeline configuration is
-EPIPE. Return it instead of -EINVAL from __capture_legacy_try_fmt()
when the capture format doesn't match the media bus format of the
connected subdev.

Signed-off-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@...il.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@...all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/staging/media/imx/imx-media-capture.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/media/imx/imx-media-capture.c b/drivers/staging/media/imx/imx-media-capture.c
index d151cd6d3188..fabbfceaa107 100644
--- a/drivers/staging/media/imx/imx-media-capture.c
+++ b/drivers/staging/media/imx/imx-media-capture.c
@@ -553,7 +553,7 @@ static int capture_validate_fmt(struct capture_priv *priv)
 		priv->vdev.fmt.fmt.pix.height != f.fmt.pix.height ||
 		priv->vdev.cc->cs != cc->cs ||
 		priv->vdev.compose.width != compose.width ||
-		priv->vdev.compose.height != compose.height) ? -EINVAL : 0;
+		priv->vdev.compose.height != compose.height) ? -EPIPE : 0;
 }
 
 static int capture_start_streaming(struct vb2_queue *vq, unsigned int count)
-- 
2.30.2