From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from gofer.mess.org ([80.229.237.210]:44715 "EHLO gofer.mess.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753511AbcISWV1 (ORCPT ); Mon, 19 Sep 2016 18:21:27 -0400 From: Sean Young To: Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org Subject: [PATCH] v4l-utils: ir-ctl: give proper error message if transmitter does not exist Date: Mon, 19 Sep 2016 23:21:24 +0100 Message-Id: <1474323685-16439-3-git-send-email-sean@mess.org> Sender: linux-media-owner@vger.kernel.org List-ID: If a transmitter does not exist when setting using -e, you get the error: warning: /dev/lirc0: failed to set send transmitters: Success Signed-off-by: Sean Young --- utils/ir-ctl/ir-ctl.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/utils/ir-ctl/ir-ctl.c b/utils/ir-ctl/ir-ctl.c index 05b46a3..229330e 100644 --- a/utils/ir-ctl/ir-ctl.c +++ b/utils/ir-ctl/ir-ctl.c @@ -516,7 +516,9 @@ static int lirc_options(struct arguments *args, int fd, unsigned features) if (args->emitters) { if (features & LIRC_CAN_SET_TRANSMITTER_MASK) { rc = ioctl(fd, LIRC_SET_TRANSMITTER_MASK, &args->emitters); - if (rc) + if (rc > 0) + fprintf(stderr, _("warning: %s: failed to set send transmitters: only %d available\n"), dev, rc); + else if (rc < 0) fprintf(stderr, _("warning: %s: failed to set send transmitters: %m\n"), dev); } else fprintf(stderr, _("warning: %s: does not support setting send transmitters\n"), dev); -- 2.7.4