* [U-Boot] [PATCH] NAND: env: remember the flags used in the previous environment
@ 2011-02-08 21:30 Scott Wood
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From: Scott Wood @ 2011-02-08 21:30 UTC (permalink / raw
To: u-boot
Previously, uninitialized stack space was being referenced.
Signed-off-by: Scott Wood <scottwood@freescale.com>
---
common/env_nand.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/common/env_nand.c b/common/env_nand.c
index a4480cb..980425a 100644
--- a/common/env_nand.c
+++ b/common/env_nand.c
@@ -181,7 +181,10 @@ int writeenv(size_t offset, u_char *buf)
return 0;
}
+
#ifdef CONFIG_ENV_OFFSET_REDUND
+static unsigned char env_flags;
+
int saveenv(void)
{
env_t env_new;
@@ -205,7 +208,7 @@ int saveenv(void)
return 1;
}
env_new.crc = crc32(0, env_new.data, ENV_SIZE);
- ++env_new.flags; /* increase the serial */
+ env_new.flags = ++env_flags; /* increase the serial */
if(gd->env_valid == 1) {
puts("Erasing redundant NAND...\n");
@@ -399,6 +402,7 @@ void env_relocate_spec(void)
else
ep = tmp_env2;
+ env_flags = ep->flags;
env_import((char *)ep, 0);
free(tmp_env1);
--
1.7.1
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2011-02-08 21:30 [U-Boot] [PATCH] NAND: env: remember the flags used in the previous environment Scott Wood
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