[PATCH] media: imx7-media-csi: don't store a floating pointer

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if imx7_csi_try_fmt() fails, cc variable won't be
initialized and csi->cc[sdformat->pad] would be pointing
to a random location.

Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Rui Miguel Silva <rui.silva@xxxxxxxxxx>
---
 drivers/staging/media/imx/imx7-media-csi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/media/imx/imx7-media-csi.c b/drivers/staging/media/imx/imx7-media-csi.c
index 3fba7c27c0ec..894e5be3f17c 100644
--- a/drivers/staging/media/imx/imx7-media-csi.c
+++ b/drivers/staging/media/imx/imx7-media-csi.c
@@ -1051,7 +1051,9 @@ static int imx7_csi_set_fmt(struct v4l2_subdev *sd,
 		goto out_unlock;
 	}
 
-	imx7_csi_try_fmt(csi, cfg, sdformat, &cc);
+	ret = imx7_csi_try_fmt(csi, cfg, sdformat, &cc);
+	if (ret < 0)
+		goto out_unlock;
 
 	fmt = imx7_csi_get_format(csi, cfg, sdformat->pad, sdformat->which);
 	if (!fmt) {
-- 
2.20.1




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