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of: dynamic: changeset prop-update revert fix 

When reverting an update property changeset entry that created a
property the reverse operation is a remove property and not an update.

Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Pantelis Antoniou 2016-05-09 16:20:42 +03:00 committed by Rob Herring
parent bb91f923d1
commit b9c43856f2
1 changed files with 5 additions and 0 deletions
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5
drivers/of/dynamic.c
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@ -498,6 +498,11 @@ static void __of_changeset_entry_invert(struct of_changeset_entry *ce,
case OF_RECONFIG_UPDATE_PROPERTY:
rce->old_prop = ce->prop;
rce->prop = ce->old_prop;
/* update was used but original property did not exist */
if (!rce->prop) {
rce->action = OF_RECONFIG_REMOVE_PROPERTY;
rce->prop = ce->prop;
}
break;
}
}