If we load a new device tree for linux kernel with a diferent layout,
the fixup of partition going into endless loop. Exactly the of_find_property
function will never come back on a invalid device_node.
My patch check, if the device will exists on device tree before we run the
fixup.
Signed-off-by: Pascal Vizeli <pvizeli@xxxxxxxxxx>
---
drivers/of/partition.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/of/partition.c b/drivers/of/partition.c
index aa6e601b7..17e420964 100644
--- a/drivers/of/partition.c
+++ b/drivers/of/partition.c
@@ -140,6 +140,9 @@ static int of_partition_fixup(struct device_node *root, void *ctx)
if (!cdev->device_node)
return -EINVAL;
+ if (!of_find_node_by_path(cdev->device_node->full_name))
+ return -EINVAL;
+
list_for_each_entry(partcdev, &cdev->partitions, partition_entry) {
if (partcdev->flags & DEVFS_PARTITION_FROM_TABLE)
continue;
--
2.17.1
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