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_onenand.c b/common/env_onenand.c
index 4b44632..cc3d670 100644
--- a/common/env_onenand.c
+++ b/common/env_onenand.c
@@ -66,8 +66,7 @@
int saveenv(void)
{
env_t env_new;
- ssize_t len;
- char *res;
+ int ret;
struct mtd_info *mtd = &onenand_mtd;
#ifdef CONFIG_ENV_ADDR_FLEX
struct onenand_chip *this = &onenand_chip;
@@ -78,13 +77,9 @@
.callback = NULL,
};
- 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;
instr.len = CONFIG_ENV_SIZE;
#ifdef CONFIG_ENV_ADDR_FLEX