Re: [PATCH 2/4] soc: qcom: aoss: Add debugfs interface for sending messages

From: Bjorn Andersson
Date: Mon Jul 31 2023 - 12:01:24 EST


On Mon, Jul 31, 2023 at 10:15:34AM +0200, Konrad Dybcio wrote:
> On 31.07.2023 06:10, Bjorn Andersson wrote:
> > From: Chris Lew <clew@xxxxxxxxxxxxxx>
> No QUIC email?
>

That's the author and s-o-b address of the patch. mailmap will help you
if you want to reach him.

> [...]
>
>
> > +static ssize_t qmp_debugfs_write(struct file *file, const char __user *userstr,
> > + size_t len, loff_t *pos)
> > +{
> > + struct qmp *qmp = file->private_data;
> > + char buf[QMP_MSG_LEN];
> > + int ret;
> > +
> > + if (!len || len > QMP_MSG_LEN)
> >=? Otherwise the last char may be overwritten by the NULL termination
> couple lines below
>

My mind had a '\0' accounted for in len as well, but you're right.

Thanks,
Bjorn