From: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Date: Mon, 27 Aug 2012 06:23:14 +0000 (-0300)
Subject: [media] media:dvb:fix up ENOIOCTLCMD error handling
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=d9751fd02a70bbfd9868f8584c6e9fd10a713d65;p=openwrt%2Fstaging%2Fblogic.git

[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 39eab73b01ae..d33101aaf0b5 100644
--- 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)