linux-kernel - [PATCH 1/3] remoteproc: imx_rproc: Fix an error handling path in 'imx_rproc

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Date:   Wed, 14 Mar 2018 20:56:37 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     ohad@...ery.com, bjorn.andersson@...aro.org
Cc:     linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH 1/3] remoteproc: imx_rproc: Fix an error handling path in 'imx_rproc_probe()'

If 'of_device_get_match_data()' fails, we must undo the previous
'rproc_alloc()' call.

Fixes: a0ff4aa6f010 ("remoteproc: imx_rproc: add a NXP/Freescale imx_rproc driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/remoteproc/imx_rproc.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
index 633268e9d550..05bcbce2013a 100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -339,8 +339,10 @@ static int imx_rproc_probe(struct platform_device *pdev)
 	}
 
 	dcfg = of_device_get_match_data(dev);
-	if (!dcfg)
-		return -EINVAL;
+	if (!dcfg) {
+		ret = -EINVAL;
+		goto err_put_rproc;
+	}
 
 	priv = rproc->priv;
 	priv->rproc = rproc;
-- 
2.14.1