[PATCH 1/2] usbgadget: fix error code in common code base

[Marco Felsch <m.felsch@pengutronix.de>]

Don't use command error codes in the common code base. Instead the
commands should convert common error codes into command error codes.

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
---
 commands/dfu.c       | 2 +-
 commands/usbgadget.c | 5 +++--
 common/usbgadget.c   | 2 +-
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/commands/dfu.c b/commands/dfu.c
index 2116747f6885..bbe75841b914 100644
--- a/commands/dfu.c
+++ b/commands/dfu.c
@@ -31,7 +31,7 @@ static int do_dfu(int argc, char *argv[])
 	funcs.dfu_opts = argv[optind];
 	ret = usbgadget_register(&funcs);
 	if (ret)
-		return ret;
+		return COMMAND_ERROR_USAGE;
 
 	command_slice_release();
 	while (!usb_dfu_detached()) {
diff --git a/commands/usbgadget.c b/commands/usbgadget.c
index e69660fde541..736ccb5d9185 100644
--- a/commands/usbgadget.c
+++ b/commands/usbgadget.c
@@ -20,6 +20,7 @@ static int do_usbgadget(int argc, char *argv[])
 {
 	struct usbgadget_funcs funcs = {};
 	int opt;
+	int ret;
 
 	while ((opt = getopt(argc, argv, "asdA::D::S::b")) > 0) {
 		switch (opt) {
@@ -50,8 +51,8 @@ static int do_usbgadget(int argc, char *argv[])
 		}
 	}
 
-
-	return usbgadget_register(&funcs);
+	ret = usbgadget_register(&funcs);
+	return ret ? COMMAND_ERROR_USAGE : 0;
 }
 
 BAREBOX_CMD_HELP_START(usbgadget)
diff --git a/common/usbgadget.c b/common/usbgadget.c
index 371355116364..9974be57d1cb 100644
--- a/common/usbgadget.c
+++ b/common/usbgadget.c
@@ -71,7 +71,7 @@ int usbgadget_register(const struct usbgadget_funcs *funcs)
 
 	if (usb_multi_count_functions(opts) == 0) {
 		pr_warn("No functions to register\n");
-		ret = COMMAND_ERROR_USAGE;
+		ret = -EINVAL;
 		goto err;
 	}
 
-- 
2.39.2