[PATCH] of_fix_tree: Print error message

[Sascha Hauer]

When a of_fixup handler fails add a meaningful error message so
that the user gets a clue what might have gone wrong.

Suggested-by: Enrico Joerns <ejo at pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 common/oftree.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/common/oftree.c b/common/oftree.c
index f75d7b4..cafe46c 100644
--- a/common/oftree.c
+++ b/common/oftree.c
@@ -189,8 +189,11 @@ int of_fix_tree(struct device_node *node)
 
 	list_for_each_entry(of_fixup, &of_fixup_list, list) {
 		ret = of_fixup->fixup(node, of_fixup->context);
-		if (ret)
+		if (ret) {
+			pr_err("Failed to fixup node in %pS: %s\n",
+					of_fixup->fixup, strerror(-ret));
 			return ret;
+		}
 	}
 
 	return 0;
-- 
2.5.0