On Thu, Jan 31, 2019 at 11:51:52AM +0100, Greg KH wrote: > Can you test the patch below? > > thanks, > > greg k-h >
> @@ -461,7 +463,7 @@ static struct rchan_buf *relay_open_buf(struct rchan > *chan, unsigned int cpu) > dentry = chan->cb->create_buf_file(NULL, NULL, > S_IRUSR, buf, > &chan->is_global); > - if (WARN_ON(dentry)) > + if (IS_ERR_OR_NULL(dentry)) > goto free_buf; Huh? That makes no sense; is it IS_ERR on error or is it NULL on error, or what? Besides, how did it work before?
