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[media] rc: transmit on device which does not support it should fail
author
Sean Young
<sean@mess.org>
Mon, 13 Aug 2012 11:59:49 +0000
(08:59 -0300)
committer
Mauro Carvalho Chehab
<mchehab@redhat.com>
Mon, 13 Aug 2012 19:19:14 +0000
(16:19 -0300)
Currently write() will return 0 if an IR device does not support sending.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/rc/ir-lirc-codec.c
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diff --git
a/drivers/media/rc/ir-lirc-codec.c
b/drivers/media/rc/ir-lirc-codec.c
index 5faba2a2fdd3b87621388c5c8f4254129d4db0ff..d2fd064474aa9df08e46714fc809cfa00be1dd19 100644
(file)
--- 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);