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of: overlay: add resolver error prints

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Applying overlay fails silently in case of an error. Add error prints.
Most notably the lack of symbols in the live tree is not reported.

Signed-off-by: Michal Suchanek <hramrach@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Michal Suchanek 2016-06-26 22:11:58 +02:00 committed by Rob Herring
parent 4b681efc02
commit 5de3bbc850
1 changed files with 6 additions and 0 deletions
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6
drivers/of/resolver.c
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@ -315,6 +315,11 @@ int of_resolve_phandles(struct device_node *resolve)
phandle phandle, phandle_delta;
int err;
if (!resolve)
pr_err("%s: null node\n", __func__);
if (resolve && !of_node_check_flag(resolve, OF_DETACHED))
pr_err("%s: node %s not detached\n", __func__,
resolve->full_name);
/* the resolve node must exist, and be detached */
if (!resolve || !of_node_check_flag(resolve, OF_DETACHED))
return -EINVAL;
@ -371,6 +376,7 @@ int of_resolve_phandles(struct device_node *resolve)
/* we need to fixup, but no root symbols... */
if (!root_sym) {
pr_err("%s: no symbols in root of device tree.\n", __func__);
err = -EINVAL;
goto out;
}