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NAND: env: remember the flags used in the previous environment
Previously, uninitialized stack space was being referenced. Signed-off-by: Scott Wood <scottwood@freescale.com>
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1 changed files with 5 additions and 1 deletions
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@ -181,7 +181,10 @@ int writeenv(size_t offset, u_char *buf)
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return 0;
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}
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#ifdef CONFIG_ENV_OFFSET_REDUND
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static unsigned char env_flags;
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int saveenv(void)
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{
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env_t env_new;
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@ -205,7 +208,7 @@ int saveenv(void)
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return 1;
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}
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env_new.crc = crc32(0, env_new.data, ENV_SIZE);
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++env_new.flags; /* increase the serial */
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env_new.flags = ++env_flags; /* increase the serial */
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if(gd->env_valid == 1) {
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puts("Erasing redundant NAND...\n");
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@ -399,6 +402,7 @@ void env_relocate_spec(void)
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else
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ep = tmp_env2;
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env_flags = ep->flags;
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env_import((char *)ep, 0);
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free(tmp_env1);
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