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Diffstat (limited to 'common')
-rw-r--r--common/env_nand.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/common/env_nand.c b/common/env_nand.c
index fc99a5e..2e28171 100644
--- a/common/env_nand.c
+++ b/common/env_nand.c
@@ -163,6 +163,9 @@ static int erase_and_write_env(const struct env_location *location,
{
int ret = 0;
+ if (!nand_info[0])
+ return 1;
+
printf("Erasing %s...\n", location->name);
if (nand_erase_opts(nand_info[0], &location->erase_opts))
return 1;
@@ -247,10 +250,10 @@ static int readenv(size_t offset, u_char *buf)
size_t blocksize, len;
u_char *char_ptr;
- blocksize = nand_info[0]->erasesize;
- if (!blocksize)
+ if (!nand_info[0])
return 1;
+ blocksize = nand_info[0]->erasesize;
len = min(blocksize, (size_t)CONFIG_ENV_SIZE);
while (amount_loaded < CONFIG_ENV_SIZE && offset < end) {
@@ -387,12 +390,12 @@ void env_relocate_spec(void)
ALLOC_CACHE_ALIGN_BUFFER(char, buf, CONFIG_ENV_SIZE);
#if defined(CONFIG_ENV_OFFSET_OOB)
- ret = get_nand_env_oob(nand_info[0], &nand_env_oob_offset);
/*
* If unable to read environment offset from NAND OOB then fall through
* to the normal environment reading code below
*/
- if (!ret) {
+ if (nand_info[0] && !get_nand_env_oob(nand_info[0],
+ &nand_env_oob_offset)) {
printf("Found Environment offset in OOB..\n");
} else {
set_default_env("!no env offset in OOB");