Rewrite the cxl_guest_init_afu() loop in cxl_of_probe() to use
for_each_child_of_node() rather than a hand-coded for loop.

Remove the useless of_node_put(afu_np) call after the loop, where it's
guaranteed that afu_np == NULL.

Reported-by: SF Markus Elfring <elfr...@users.sourceforge.net>
Reported-by: Julia Lawall <julia.law...@lip6.fr>
Signed-off-by: Andrew Donnellan <andrew.donnel...@au1.ibm.com>

---

Checked the of_node_put() with Fred, he thinks it was probably just left
over from an earlier private version of the code and we can just get rid of
it.
---
 drivers/misc/cxl/of.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/misc/cxl/of.c b/drivers/misc/cxl/of.c
index edc4583..ec175ea 100644
--- a/drivers/misc/cxl/of.c
+++ b/drivers/misc/cxl/of.c
@@ -460,7 +460,7 @@ int cxl_of_probe(struct platform_device *pdev)
        struct device_node *afu_np = NULL;
        struct cxl *adapter = NULL;
        int ret;
-       int slice, slice_ok;
+       int slice = 0, slice_ok = 0;
 
        pr_devel("in %s\n", __func__);
 
@@ -476,13 +476,13 @@ int cxl_of_probe(struct platform_device *pdev)
        }
 
        /* init afu */
-       slice_ok = 0;
-       for (afu_np = NULL, slice = 0; (afu_np = of_get_next_child(np, 
afu_np)); slice++) {
+       for_each_child_of_node(np, afu_np) {
                if ((ret = cxl_guest_init_afu(adapter, slice, afu_np)))
                        dev_err(&pdev->dev, "AFU %i failed to initialise: %i\n",
                                slice, ret);
                else
                        slice_ok++;
+               slice++;
        }
 
        if (slice_ok == 0) {
@@ -490,8 +490,6 @@ int cxl_of_probe(struct platform_device *pdev)
                adapter->slices = 0;
        }
 
-       if (afu_np)
-               of_node_put(afu_np);
        return 0;
 }
 
-- 
Andrew Donnellan              OzLabs, ADL Canberra
andrew.donnel...@au1.ibm.com  IBM Australia Limited

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