[media] media:dvb:fix up ENOIOCTLCMD error handling

At commit 07d106d0, Linus pointed out that ENOIOCTLCMD should be
translated as ENOTTY to user mode.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c
index 39eab73..d33101a 100644 (file)
--- a/drivers/media/dvb-core/dvbdev.c
+++ b/drivers/media/dvb-core/dvbdev.c
@@ -420,7 +420,7 @@ int dvb_usercopy(struct file *file,
        /* call driver */
        mutex_lock(&dvbdev_mutex);
        if ((err = func(file, cmd, parg)) == -ENOIOCTLCMD)
-               err = -EINVAL;
+               err = -ENOTTY;
        mutex_unlock(&dvbdev_mutex);
 
        if (err < 0)