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V4L/DVB (13310): uvcvideo: Return -EINVAL instead of -ENODEV in read()
-EINVAL is required by the V4L2 specification. -ENODEV is simply wrong as the device exists. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -1035,7 +1035,7 @@ static ssize_t uvc_v4l2_read(struct file *file, char __user *data,
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size_t count, loff_t *ppos)
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{
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uvc_trace(UVC_TRACE_CALLS, "uvc_v4l2_read: not implemented.\n");
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return -ENODEV;
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return -EINVAL;
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}
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/*
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