[PATCH 1/3] state: pass error code instead of inventing new one
From: Sascha Hauer <s.hauer@pengutronix.de>
Date: 2016-10-20 07:32:01
Subsystem:
the rest · Maintainer:
Linus Torvalds
Both of_find_path() and of_find_path_by_node() return a meaningful error code, so forward it instead of inventing a new one. Do this especially for the -EPROBE_DEFER case which currently does not work. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> --- common/state/state.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/common/state/state.c b/common/state/state.c
index 075618e..2be3c8c 100644
--- a/common/state/state.c
+++ b/common/state/state.c@@ -466,9 +466,10 @@ struct state *state_new_from_node(struct device_node *node, char *path, of_path = partition_node->full_name; ret = of_find_path_by_node(partition_node, &path, 0); } - if (!path) { - pr_err("state failed to parse path to backend\n"); - ret = -EINVAL; + if (ret) { + if (ret != -EPROBE_DEFER) + pr_err("state failed to parse path to backend: %s\n", + strerror(-ret)); goto out_release_state; } }
--
2.9.3
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