cec: fix ioctl return code when not registered

PATCH New Hans Verkuil 1 participant 1 message Aug 24, 2016

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Media (V4L/DVB) Staging

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Hans Verkuil

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2016-08-24 10:17 UTC #0 lore raw

PATCH 1/1 cec: fix ioctl return code when not registered

Don't return the confusing -EIO error code when the device is not registered, instead return -ENODEV which is the proper thing to do in this situation.

Signed-off-by Hans Verkuil <[email protected]>

---

drivers/staging/media/cec/cec-api.c +1 -1

index 7be7615..049f171 100644
@@ -435,7 +435,7 @@ static long cec_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 	void __user *parg = (void __user *)arg;
 
 	if (!devnode->registered)
-		return -EIO;
+		return -ENODEV;
 
 	switch (cmd) {
 	case CEC_ADAP_G_CAPS: