linux-kernel - [PATCH] media: vsp1: Fix an error handling path in the probe function

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Date:   Sat, 12 Dec 2020 18:41:19 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     laurent.pinchart@...asonboard.com,
        kieran.bingham+renesas@...asonboard.com, mchehab@...nel.org
Cc:     linux-media@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] media: vsp1: Fix an error handling path in the probe function

A previous 'rcar_fcp_get()' call must be undone in the error handling path,
as already done in the remove function.

Fixes: 94fcdf829793 ("[media] v4l: vsp1: Add FCP support")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/media/platform/vsp1/vsp1_drv.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/vsp1/vsp1_drv.c b/drivers/media/platform/vsp1/vsp1_drv.c
index dc62533cf32c..aa66e4f5f3f3 100644
--- a/drivers/media/platform/vsp1/vsp1_drv.c
+++ b/drivers/media/platform/vsp1/vsp1_drv.c
@@ -882,8 +882,10 @@ static int vsp1_probe(struct platform_device *pdev)
 	}
 
 done:
-	if (ret)
+	if (ret) {
 		pm_runtime_disable(&pdev->dev);
+		rcar_fcp_put(vsp1->fcp);
+	}
 
 	return ret;
 }
-- 
2.27.0