[PATCH 1/7] state: mark state init errors specially

[Ahmad Fatoum]

First boot with uninitialized state is needlessly verbose. As
preparation for making boot less noisy on fresh state, mark all the
error messages with newly introduced dev_err_state_init().

Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
---
 common/state/backend_format_raw.c | 3 +--
 common/state/backend_storage.c    | 7 ++-----
 common/state/state.c              | 4 ++--
 common/state/state.h              | 7 +++++++
 4 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/common/state/backend_format_raw.c b/common/state/backend_format_raw.c
index ea962606ccdb..aeee41d07ce9 100644
--- a/common/state/backend_format_raw.c
+++ b/common/state/backend_format_raw.c
@@ -116,9 +116,8 @@ static int backend_format_raw_verify(struct state_backend_format *format,
 	header = (struct backend_raw_header *)buf;
 	crc = crc32(0, header, sizeof(*header) - sizeof(uint32_t));
 	if (crc != header->header_crc) {
-		dev_err(backend_raw->dev, "Error, invalid header crc in raw format, calculated 0x%08x, found 0x%08x\n",
+		return dev_err_state_init(backend_raw->dev, -EINVAL, "header crc in raw format, calculated 0x%08x, found 0x%08x\n",
 			crc, header->header_crc);
-		return -EINVAL;
 	}
 
 	if (magic && magic != header->magic) {
diff --git a/common/state/backend_storage.c b/common/state/backend_storage.c
index 7fc7acfdcbc8..2d7d9a4a63c0 100644
--- a/common/state/backend_storage.c
+++ b/common/state/backend_storage.c
@@ -171,11 +171,8 @@ int state_storage_read(struct state_backend_storage *storage,
 
 	dev_dbg(storage->dev, "Checking redundant buckets finished.\n");
 
-	if (!bucket_used) {
-		dev_err(storage->dev, "Failed to find any valid state copy in any bucket\n");
-
-		return -ENOENT;
-	}
+	if (!bucket_used)
+		return dev_err_state_init(storage->dev, -ENOENT, "no valid state copy in any bucket\n");
 
 	dev_info(storage->dev, "Using bucket %d at 0x%08llx\n", bucket_used->num, (long long) bucket_used->offset);
 
diff --git a/common/state/state.c b/common/state/state.c
index 469ee62d4012..8c34ae83e52b 100644
--- a/common/state/state.c
+++ b/common/state/state.c
@@ -101,8 +101,8 @@ static int state_do_load(struct state *state, enum state_flags flags)
 	ret = state_storage_read(&state->storage, state->format,
 				 state->magic, &buf, &len, flags);
 	if (ret) {
-		dev_err(&state->dev, "Failed to read state with format %s, %d\n",
-			state->format->name, ret);
+		dev_err_state_init(&state->dev, ret, "format %s read failed\n",
+				   state->format->name);
 		goto out;
 	}
 
diff --git a/common/state/state.h b/common/state/state.h
index 1881d92ea7fe..d858c9e42735 100644
--- a/common/state/state.h
+++ b/common/state/state.h
@@ -1,5 +1,6 @@
 #include <linux/types.h>
 #include <linux/list.h>
+#include <linux/err.h>
 #include <driver.h>
 
 struct state;
@@ -266,3 +267,9 @@ static inline int state_string_copy_to_raw(struct state_string *string,
 
 	return 0;
 }
+
+#define dev_err_state_init(dev, ret, fmt, ...) ({ \
+	int __ret = (ret); \
+	dev_err((dev), "init error: %pe: " fmt, ERR_PTR(__ret), ##__VA_ARGS__); \
+	__ret; \
+})
-- 
2.30.2