env: Add env_export() wrapper
Implement env_export() wrapper, so that all implementers of saveenv() don't
have to call hexport_r(), crc32() etc. sequence . This trims down a bit of
code duplication.
Signed-off-by: Marek Vasut <marex@denx.de>
diff --git a/common/env_nand.c b/common/env_nand.c
index 695a9ee..5a734a9 100644
--- a/common/env_nand.c
+++ b/common/env_nand.c
@@ -181,8 +181,6 @@
{
int ret = 0;
ALLOC_CACHE_ALIGN_BUFFER(env_t, env_new, 1);
- ssize_t len;
- char *res;
int env_idx = 0;
static const struct env_location location[] = {
{
@@ -207,13 +205,10 @@
if (CONFIG_ENV_RANGE < CONFIG_ENV_SIZE)
return 1;
- res = (char *)&env_new->data;
- len = hexport_r(&env_htab, '\0', 0, &res, ENV_SIZE, 0, NULL);
- if (len < 0) {
- error("Cannot export environment: errno = %d\n", errno);
- return 1;
- }
- env_new->crc = crc32(0, env_new->data, ENV_SIZE);
+ ret = env_export(env_new);
+ if (ret)
+ return ret;
+
#ifdef CONFIG_ENV_OFFSET_REDUND
env_new->flags = ++env_flags; /* increase the serial */
env_idx = (gd->env_valid == 1);