media: dmxdev: fix error code for invalid ioctls

Returning -EINVAL when an ioctl is not implemented is a very
bad idea, as it is hard to distinguish from other error
contitions that an ioctl could lead. Replace it by its
right error code: -ENOTTY.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Mauro Carvalho Chehab 2018-02-11 05:44:21 -05:00
parent b9c97c67fd
commit a145f64c61
1 changed files with 1 additions and 1 deletions

View File

@ -1160,7 +1160,7 @@ static int dvb_demux_do_ioctl(struct file *file,
break; break;
#endif #endif
default: default:
ret = -EINVAL; ret = -ENOTTY;
break; break;
} }
mutex_unlock(&dmxdev->mutex); mutex_unlock(&dmxdev->mutex);