[PATCH 1/2] soc: fsl: guts: Revert commit 3c0d64e867ed

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This reverts commit 3c0d64e867ed
("soc: fsl: guts: reuse machine name from device tree").

A following patch will fix the missing memory allocation failure check
instead.

Suggested-by: Tyrel Datwyler <tyreld@xxxxxxxxxxxxx>
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
This is a follow-up of discussion in:
https://lore.kernel.org/kernel-janitors/b12e8c5c5d6ab3061d9504de8fbaefcad6bbc385.1629321668.git.christophe.jaillet@xxxxxxxxxx/
---
 drivers/soc/fsl/guts.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/soc/fsl/guts.c b/drivers/soc/fsl/guts.c
index 072473a16f4d..af7741eafc57 100644
--- a/drivers/soc/fsl/guts.c
+++ b/drivers/soc/fsl/guts.c
@@ -28,7 +28,6 @@ struct fsl_soc_die_attr {
 static struct guts *guts;
 static struct soc_device_attribute soc_dev_attr;
 static struct soc_device *soc_dev;
-static struct device_node *root;
 
 
 /* SoC die attribute definition for QorIQ platform */
@@ -138,7 +137,7 @@ static u32 fsl_guts_get_svr(void)
 
 static int fsl_guts_probe(struct platform_device *pdev)
 {
-	struct device_node *np = pdev->dev.of_node;
+	struct device_node *root, *np = pdev->dev.of_node;
 	struct device *dev = &pdev->dev;
 	const struct fsl_soc_die_attr *soc_die;
 	const char *machine;
@@ -159,8 +158,9 @@ static int fsl_guts_probe(struct platform_device *pdev)
 	root = of_find_node_by_path("/");
 	if (of_property_read_string(root, "model", &machine))
 		of_property_read_string_index(root, "compatible", 0, &machine);
+	of_node_put(root);
 	if (machine)
-		soc_dev_attr.machine = machine;
+		soc_dev_attr.machine = devm_kstrdup(dev, machine, GFP_KERNEL);
 
 	svr = fsl_guts_get_svr();
 	soc_die = fsl_soc_die_match(svr, fsl_soc_die);
@@ -195,7 +195,6 @@ static int fsl_guts_probe(struct platform_device *pdev)
 static int fsl_guts_remove(struct platform_device *dev)
 {
 	soc_device_unregister(soc_dev);
-	of_node_put(root);
 	return 0;
 }
 
-- 
2.30.2




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