env: mtd: initialize saved_buf pointer

When sect_size is greater than the CONFIG_ENV_SIZE, this wild pointer will cause CPU halt or system crash. Fixes: 03fb08d4ae ("env: Introduce support for MTD") Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
2025-08-01 17:58:59 -06:00
parent 39ae954b04
commit 7e842bd331
1 changed files with 1 additions and 1 deletions
@@ -201,7 +201,7 @@ static int env_mtd_erase(void)
 {
 	struct mtd_info *mtd_env;
 	u32 sect_size, sect_num;
-	char *saved_buf, *tmp;
+	char *saved_buf = NULL, *tmp;
 	struct erase_info ei;
 	size_t ret_len;
 	int remaining;