env_nand.c: print error message and fail gracefully
env_nand.c would crash silently if a malloc() for the environment
buffers failed; make it print an error message and fail gracefully,
i. e. use the default environment then.
Signed-off-by: Wolfgang Denk <wd@denx.de>
Acked-by: John Rigby <jcrigby@gmail.com>
diff --git a/common/env_nand.c b/common/env_nand.c
index ca631af..a15a950 100644
--- a/common/env_nand.c
+++ b/common/env_nand.c
@@ -298,6 +298,13 @@
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))