remoteproc: imx_rproc: Fix an error handling path in 'imx_rproc_probe()'

[ Upstream commit de6f83f ]

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

Fixes: a0ff4aa ("remoteproc: imx_rproc: add a NXP/Freescale imx_rproc driver")
Signed-off-by: Christophe JAILLET <[email protected]>
Signed-off-by: Bjorn Andersson <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: tititiou36

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;