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[v3,12/14] env: ext4: introduce new function env_ext4_save_buffer

Message ID 20200625075958.9868-13-patrick.delaunay@st.com
State Changes Requested
Delegated to: Tom Rini
Headers show
Series env: ext4: corrections and add test for env in ext4 | expand

Commit Message

Patrick Delaunay June 25, 2020, 7:59 a.m. UTC
Split the function env_ext4_save to prepare the erase support.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
---

(no changes since v1)

 env/ext4.c | 28 ++++++++++++++++++++--------
 1 file changed, 20 insertions(+), 8 deletions(-)
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Patch

diff --git a/env/ext4.c b/env/ext4.c
index ac9f126bec..0a10a5e050 100644
--- a/env/ext4.c
+++ b/env/ext4.c
@@ -44,9 +44,8 @@  __weak const char *env_ext4_get_dev_part(void)
 	return (const char *)CONFIG_ENV_EXT4_DEVICE_AND_PART;
 }
 
-static int env_ext4_save(void)
+static int env_ext4_save_buffer(env_t *env_new)
 {
-	env_t	env_new;
 	struct blk_desc *dev_desc = NULL;
 	struct disk_partition info;
 	int dev, part;
@@ -54,10 +53,6 @@  static int env_ext4_save(void)
 	const char *ifname = env_ext4_get_intf();
 	const char *dev_and_part = env_ext4_get_dev_part();
 
-	err = env_export(&env_new);
-	if (err)
-		return err;
-
 	part = blk_get_device_part_str(ifname, dev_and_part,
 				       &dev_desc, &info, 1);
 	if (part < 0)
@@ -72,7 +67,7 @@  static int env_ext4_save(void)
 		return 1;
 	}
 
-	err = ext4fs_write(CONFIG_ENV_EXT4_FILE, (void *)&env_new,
+	err = ext4fs_write(CONFIG_ENV_EXT4_FILE, (void *)env_new,
 			   sizeof(env_t), FILETYPE_REG);
 	ext4fs_close();
 
@@ -81,9 +76,26 @@  static int env_ext4_save(void)
 			CONFIG_ENV_EXT4_FILE, ifname, dev, part);
 		return 1;
 	}
-	gd->env_valid = ENV_VALID;
 
+	return 0;
+}
+
+static int env_ext4_save(void)
+{
+	env_t env_new;
+	int err;
+
+	err = env_export(&env_new);
+	if (err)
+		return err;
+
+	err = env_ext4_save_buffer(&env_new);
+	if (err)
+		return err;
+
+	gd->env_valid = ENV_VALID;
 	puts("done\n");
+
 	return 0;
 }