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cxl: replace loop with for_each_child_of_node(), remove unneeded of_node_put()

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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 <elfring@users.sourceforge.net>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Reviewed-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Andrew Donnellan 2016-07-29 13:55:34 +10:00 committed by Michael Ellerman
parent aaa2245ed8
commit 735840b44b
1 changed files with 3 additions and 5 deletions
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8
drivers/misc/cxl/of.c
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@ -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;
}