From d07df223abb42c97dbaf2d26226c3882bcb3a3cf Mon Sep 17 00:00:00 2001 From: Sean Young Date: Mon, 13 Aug 2012 08:59:49 -0300 Subject: [PATCH] [media] rc: transmit on device which does not support it should fail Currently write() will return 0 if an IR device does not support sending. Signed-off-by: Sean Young Signed-off-by: Mauro Carvalho Chehab --- drivers/media/rc/ir-lirc-codec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/rc/ir-lirc-codec.c b/drivers/media/rc/ir-lirc-codec.c index 5faba2a2fdd3..d2fd064474aa 100644 --- a/drivers/media/rc/ir-lirc-codec.c +++ b/drivers/media/rc/ir-lirc-codec.c @@ -105,7 +105,7 @@ static ssize_t ir_lirc_transmit_ir(struct file *file, const char __user *buf, struct lirc_codec *lirc; struct rc_dev *dev; unsigned int *txbuf; /* buffer with values to transmit */ - ssize_t ret = 0; + ssize_t ret = -EINVAL; size_t count; lirc = lirc_get_pdata(file); -- 2.20.1