> Hi.
>
>
>
> On Mon, Apr 21, 2008 at 03:59:32PM +0530, Midhun A (
midhunagni@gmail.com) wrote:
> > static void imxmci_check_status(unsigned long data)
> > {
> > struct imxmci_host *host = (struct imxmci_host *)data;
> >
> > /*Netlink*/
> > struct cn_msg *m;
> > char cn_data[32] = "SD/MMC Card Status";
> > /*Netlink*/
> >
> > if( host->pdata->card_present() != host->present ) {
> > host->present ^= 1;
> > dev_info(mmc_dev(host->mmc), "card %s\n",
> > host->present ? "inserted" : "removed");
> >
> > /*Netlink*/
> >
> > m = kmalloc(sizeof(*m) + sizeof(cn_data), GFP_ATOMIC);
> >
> > if (m) {
> > printk("Inside if\n");
> > memset(m, 0, sizeof(*m) + sizeof(cn_data));
> > memcpy(&m->id, &cn_test_id, sizeof(m->id));
> > m->seq = cn_test_timer_counter;
> > m->len = sizeof(cn_data);
> >
> > m->len =
> > scnprintf(cn_data, sizeof(cn_data), "counter = %u",
> > cn_test_timer_counter) + 1;
> >
> > memcpy(m + 1, data, m->len);
> > printk("Copied Message\n");
> > cn_netlink_send(m, 0, gfp_any());
> > printk("Sent Message\n");
> > kfree(m);
>
> What is return value here?
> Also, do you register this driver as connector user? If not, you can not
> use 0 group number, since it will search only for registered kernel
> side, and if there was no registration, it can not obtain address of the
> userspace side. You can specify group (7 in your cae) as a parameter
> instead.
>
> I suppose userspace was bound to (1<<7) group number or was subscribed
> using socket option to 7'th group.
>
> --
> Evgeniy Polyakov
>
