Hi Valdis,
> > @@ -805,9 +809,11 @@ pi433_read(struct file *filp, char __user *buf, size_t
> > size, loff_t *f_pos)
> > if (bytes_received > 0) {
> > retval = copy_to_user(buf, device->rx_buffer, bytes_received);
> > if (retval)
> > + up_read(&instance->instance_sem);
> > return -EFAULT;
> > }
> >
> > + up_read(&instance->instance_sem);
> > return bytes_received;
> > }
>
> This doesn't do what you think.
Oh right, no curly braces, didn't notice it. Thanks !
Otherwise, do you think the usage of rw semaphore is appropriate in this
case ?
Regards,
Hugo
--
Hugo Lefeuvre (hle) | www.owl.eu.com
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