shannon/INFERNO: fix special handling of environment configuration

[people/ms/u-boot.git] / common / env_nand.c

diff --git a/common/env_nand.c b/common/env_nand.c
index 90a1c454720ae4fe5ad483cf78cddbba5b4194ec..50bc111a3bf30901849c54ea0ff1b58e5abd0694 100644 (file)
--- a/common/env_nand.c
+++ b/common/env_nand.c
@@ -49,21 +49,12 @@
 #error CONFIG_ENV_SIZE_REDUND should be the same as CONFIG_ENV_SIZE
 #endif
 
-#ifdef CONFIG_INFERNO
-#error CONFIG_INFERNO not supported yet
-#endif
-
 #ifndef CONFIG_ENV_RANGE
 #define CONFIG_ENV_RANGE       CONFIG_ENV_SIZE
 #endif
 
-int nand_legacy_rw (struct nand_chip* nand, int cmd,
-           size_t start, size_t len,
-           size_t * retlen, u_char * buf);
-
 /* references to names in env_common.c */
 extern uchar default_environment[];
-extern int default_environment_size;
 
 char * env_name_spec = "NAND";
 
@@ -303,6 +294,13 @@ void env_relocate_spec (void)
        tmp_env1 = (env_t *) malloc(CONFIG_ENV_SIZE);
        tmp_env2 = (env_t *) malloc(CONFIG_ENV_SIZE);
 
+       if ((tmp_env1 == NULL) || (tmp_env2 == NULL)) {
+               puts("Can't allocate buffers for environment\n");
+               free (tmp_env1);
+               free (tmp_env2);
+               return use_default();
+       }
+
        if (readenv(CONFIG_ENV_OFFSET, (u_char *) tmp_env1))
                puts("No Valid Environment Area Found\n");
        if (readenv(CONFIG_ENV_OFFSET_REDUND, (u_char *) tmp_env2))