of: overlay: expand check of whether overlay changeset can be removed

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The test of whether it is safe to remove an overlay changeset
looked at whether any node in the overlay changeset was in a
subtree rooted at any more recently applied overlay changeset
node.

The test failed to determine whether any node in the overlay
changeset was the root of a subtree that contained a more
recently applied overlay changeset node.  Add this additional
check to the test.

The test is still lacking any check for any phandle dependencies.

Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>

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Frank Rowand 2017-10-17 16:36:27 -07:00 • committed by Rob Herring

parent 24789c5ce5

commit 87f242c119

1 changed files with 13 additions and 7 deletions

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drivers/of/overlay.c

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