Messages in this thread Patch in this message | | | From | Tanmay Shah <> | Subject | [PATCH v4 1/5] mailbox: zynqmp: fix counts of child nodes | Date | Tue, 28 Feb 2023 13:02:12 -0800 |
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If child mailbox node status is disabled it causes crash in interrupt handler. Fix this by assigning only available child node during driver probe.
Signed-off-by: Tanmay Shah <tanmay.shah@amd.com> --- drivers/mailbox/zynqmp-ipi-mailbox.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mailbox/zynqmp-ipi-mailbox.c b/drivers/mailbox/zynqmp-ipi-mailbox.c index 12e004ff1a14..e287ed7a92ce 100644 --- a/drivers/mailbox/zynqmp-ipi-mailbox.c +++ b/drivers/mailbox/zynqmp-ipi-mailbox.c @@ -634,7 +634,7 @@ static int zynqmp_ipi_probe(struct platform_device *pdev) struct zynqmp_ipi_mbox *mbox; int num_mboxes, ret = -EINVAL; - num_mboxes = of_get_child_count(np); + num_mboxes = of_get_available_child_count(np); pdata = devm_kzalloc(dev, sizeof(*pdata) + (num_mboxes * sizeof(*mbox)), GFP_KERNEL); if (!pdata) -- 2.25.1
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