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 <hans.verkuil@xxxxxxxxx>
---
diff --git a/drivers/staging/media/cec/cec-api.c b/drivers/staging/media/cec/cec-api.c
index 7be7615..049f171 100644
--- a/drivers/staging/media/cec/cec-api.c
+++ b/drivers/staging/media/cec/cec-api.c
@@ -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:
--
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