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of: overlay: pr_err from return NOTIFY_OK to overlay apply/remove 

A device tree overlay notifier can return NOTIFY_OK, NOTIFY_STOP,
or an embedded errno.  overlay_notify() incorrectly reports an
error for NOTIFY_OK.

Reported-by: atull@kernel.org
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Frank Rowand 2017-10-19 14:18:27 -07:00 committed by Rob Herring
parent 34ca5d76f2
commit a1d19bd4cf
1 changed files with 1 additions and 1 deletions
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2
drivers/of/overlay.c
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@ -133,7 +133,7 @@ static int overlay_notify(struct overlay_changeset *ovcs,
ret = blocking_notifier_call_chain(&overlay_notify_chain,
action, &nd);
if (ret == NOTIFY_STOP)
if (ret == NOTIFY_OK || ret == NOTIFY_STOP)
return 0;
if (ret) {
ret = notifier_to_errno(ret);