env_mmc: fix cannot save env issue
The env change its implementation after this log, while env mmc
didn't change it immediately, which cause issue. Follow to the
new style to fix it.
commit ea882baf9c17cd142c99e3ff640d3ab01daa5cec
Author: Wolfgang Denk <wd@denx.de>
Date: Sun Jun 20 23:33:59 2010 +0200
New implementation for internal handling of environment variables.
Signed-off-by: Lei Wen <leiwen@marvell.com>
diff --git a/common/env_mmc.c b/common/env_mmc.c
index cc288d4..dcab994 100644
--- a/common/env_mmc.c
+++ b/common/env_mmc.c
@@ -29,6 +29,7 @@
#include <linux/stddef.h>
#include <malloc.h>
#include <mmc.h>
+#include <errno.h>
/* references to names in env_common.c */
extern uchar default_environment[];
@@ -96,13 +97,23 @@
int saveenv(void)
{
+ env_t env_new;
+ ssize_t len;
+ char *res;
struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV);
if (init_mmc_for_env(mmc))
return 1;
+ res = (char *)&env_new.data;
+ len = hexport('\0', &res, ENV_SIZE);
+ if (len < 0) {
+ error("Cannot export environment: errno = %d\n", errno);
+ return 1;
+ }
+ env_new.crc = crc32(0, env_new.data, ENV_SIZE);
printf("Writing to MMC(%d)... ", CONFIG_SYS_MMC_ENV_DEV);
- if (write_env(mmc, CONFIG_ENV_SIZE, CONFIG_ENV_OFFSET, env_ptr)) {
+ if (write_env(mmc, CONFIG_ENV_SIZE, CONFIG_ENV_OFFSET, (u_char *)&env_new)) {
puts("failed\n");
return 1;
}