[PATCH AUTOSEL 5.10 09/16] media: pci: cx23885: replace BUG with error return

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From: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>

[ Upstream commit 2e1796fd4904fdd6062a8e4589778ea899ea0c8d ]

It was completely unnecessary to use BUG in buffer_prepare().
Just replace it with an error return. This also fixes a smatch warning:

drivers/media/pci/cx23885/cx23885-video.c:422 buffer_prepare() error: uninitialized symbol 'ret'.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/media/pci/cx23885/cx23885-video.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/pci/cx23885/cx23885-video.c b/drivers/media/pci/cx23885/cx23885-video.c
index a380e0920a21f..86e3bb5903712 100644
--- a/drivers/media/pci/cx23885/cx23885-video.c
+++ b/drivers/media/pci/cx23885/cx23885-video.c
@@ -412,7 +412,7 @@ static int buffer_prepare(struct vb2_buffer *vb)
 				dev->height >> 1);
 		break;
 	default:
-		BUG();
+		return -EINVAL; /* should not happen */
 	}
 	dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp 0x%08x - dma=0x%08lx\n",
 		buf, buf->vb.vb2_buf.index,
-- 
2.40.1




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