environment: envfs_{load, save}: add possibility to call with filename and dirname == NULL

This patch moves fallback to default into the envfs_{load,save} functions.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 12 insertions, 0 deletions

diff --git a/common/environment.c b/common/environment.c
index 2639411e26..eed4833c8a 100644
--- a/common/environment.c
+++ b/common/environment.c
@@ -253,6 +253,12 @@ int envfs_save(const char *filename, const char *dirname, unsigned flags)
 	void *buf = NULL, *wbuf;
 	struct envfs_entry *env;
 
+	if (!filename)
+		filename = default_environment_path_get();
+
+	if (!dirname)
+		dirname = "/env";
+
 	data.writep = NULL;
 	data.base = dirname;
 
@@ -540,6 +546,12 @@ int envfs_load(const char *filename, const char *dir, unsigned flags)
 	int ret = 0;
 	size_t size, rsize;
 
+	if (!filename)
+		filename = default_environment_path_get();
+
+	if (!dir)
+		dir = "/env";
+
 	envfd = open(filename, O_RDONLY);
 	if (envfd < 0) {
 		printf("environment load %s: %s\n", filename, errno_str());