[PATCH v3 12/15] [media] lirc_dev: fix error return value

[Andi Shyti]

If ioctl is called, it cannot be a case of invalid system call
number (ENOSYS), that is a ENOTTY case which means that the
device doesn't support that specific ioctl command.
Replace ENOSYS with EPERM.

Signed-off-by: Andi Shyti <andi.shyti@xxxxxxxxxxx>
---
 drivers/media/rc/lirc_dev.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c
index c2b32e0..ac00433 100644
--- a/drivers/media/rc/lirc_dev.c
+++ b/drivers/media/rc/lirc_dev.c
@@ -582,7 +582,7 @@ long lirc_dev_fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 		break;
 	case LIRC_GET_REC_MODE:
 		if (!(ir->d.features & LIRC_CAN_REC_MASK)) {
-			result = -ENOSYS;
+			result = -ENOTTY;
 			break;
 		}
 
@@ -592,7 +592,7 @@ long lirc_dev_fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 		break;
 	case LIRC_SET_REC_MODE:
 		if (!(ir->d.features & LIRC_CAN_REC_MASK)) {
-			result = -ENOSYS;
+			result = -ENOTTY;
 			break;
 		}
 
@@ -610,7 +610,7 @@ long lirc_dev_fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	case LIRC_GET_MIN_TIMEOUT:
 		if (!(ir->d.features & LIRC_CAN_SET_REC_TIMEOUT) ||
 		    ir->d.min_timeout == 0) {
-			result = -ENOSYS;
+			result = -ENOTTY;
 			break;
 		}
 
@@ -619,7 +619,7 @@ long lirc_dev_fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	case LIRC_GET_MAX_TIMEOUT:
 		if (!(ir->d.features & LIRC_CAN_SET_REC_TIMEOUT) ||
 		    ir->d.max_timeout == 0) {
-			result = -ENOSYS;
+			result = -ENOTTY;
 			break;
 		}
 
-- 
2.8.1