From 25ee924649f94b42fba8ef615b5eb39db19044cd Mon Sep 17 00:00:00 2001 From: Sjoerd Simons Date: Tue, 4 Jun 2019 21:01:55 +0200 Subject: usb: gadget: error out if g_dnl registration fails If g_dnl_register fails return an error rather then stubornly continuing onwards. Signed-off-by: Sjoerd Simons --- cmd/usb_gadget_sdp.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) (limited to 'cmd') diff --git a/cmd/usb_gadget_sdp.c b/cmd/usb_gadget_sdp.c index 808ed974fa7..2ead06be9f5 100644 --- a/cmd/usb_gadget_sdp.c +++ b/cmd/usb_gadget_sdp.c @@ -13,7 +13,7 @@ static int do_sdp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { - int ret = CMD_RET_FAILURE; + int ret; if (argc < 2) return CMD_RET_USAGE; @@ -23,7 +23,11 @@ static int do_sdp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) usb_gadget_initialize(controller_index); g_dnl_clear_detach(); - g_dnl_register("usb_dnl_sdp"); + ret = g_dnl_register("usb_dnl_sdp"); + if (ret) { + pr_err("SDP dnl register failed: %d\n", ret); + goto exit_register; + } ret = sdp_init(controller_index); if (ret) { @@ -37,9 +41,10 @@ static int do_sdp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) exit: g_dnl_unregister(); +exit_register: usb_gadget_release(controller_index); - return ret; + return CMD_RET_FAILURE; } U_BOOT_CMD(sdp, 2, 1, do_sdp, -- cgit v1.2.3