env: Drop unused env_ptr variables

This variable is declared as a global in most environment location
drivers. But it is not used outside the drivers and most of the
declarations are unnecessary.

Also some drivers call free() on env_ptr which seems wrong since it is
not in the heap.

Drop the variable where possible, and all calls to free().

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/env/ubi.c b/env/ubi.c
index 4d5ae1343d..9399f943dc 100644
--- a/env/ubi.c
+++ b/env/ubi.c
@@ -16,8 +16,6 @@
 #include <ubi_uboot.h>
 #undef crc32
 
-env_t *env_ptr;
-
 DECLARE_GLOBAL_DATA_PTR;
 
 #ifdef CONFIG_CMD_SAVEENV