/*
 * nop (passthrough) Link Layer Control
 *
 * Copyright (C) 2012  Intel Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

#include <linux/types.h>

#include "llc.h"

struct llc_nop {
	struct nfc_hci_dev *hdev;
	xmit_to_drv_t xmit_to_drv;
	rcv_to_hci_t rcv_to_hci;
	int tx_headroom;
	int tx_tailroom;
	llc_failure_t llc_failure;
};

static void *llc_nop_init(struct nfc_hci_dev *hdev, xmit_to_drv_t xmit_to_drv,
			  rcv_to_hci_t rcv_to_hci, int tx_headroom,
			  int tx_tailroom, int *rx_headroom, int *rx_tailroom,
			  llc_failure_t llc_failure)
{
	struct llc_nop *llc_nop;

	*rx_headroom = 0;
	*rx_tailroom = 0;

	llc_nop = kzalloc(sizeof(struct llc_nop), GFP_KERNEL);
	if (llc_nop == NULL)
		return NULL;

	llc_nop->hdev = hdev;
	llc_nop->xmit_to_drv = xmit_to_drv;
	llc_nop->rcv_to_hci = rcv_to_hci;
	llc_nop->tx_headroom = tx_headroom;
	llc_nop->tx_tailroom = tx_tailroom;
	llc_nop->llc_failure = llc_failure;

	return llc_nop;
}

static void llc_nop_deinit(struct nfc_llc *llc)
{
	kfree(nfc_llc_get_data(llc));
}

static int llc_nop_start(struct nfc_llc *llc)
{
	return 0;
}

static int llc_nop_stop(struct nfc_llc *llc)
{
	return 0;
}

static void llc_nop_rcv_from_drv(struct nfc_llc *llc, struct sk_buff *skb)
{
	struct llc_nop *llc_nop = nfc_llc_get_data(llc);

	llc_nop->rcv_to_hci(llc_nop->hdev, skb);
}

static int llc_nop_xmit_from_hci(struct nfc_llc *llc, struct sk_buff *skb)
{
	struct llc_nop *llc_nop = nfc_llc_get_data(llc);

	return llc_nop->xmit_to_drv(llc_nop->hdev, skb);
}

static struct nfc_llc_ops llc_nop_ops = {
	.init = llc_nop_init,
	.deinit = llc_nop_deinit,
	.start = llc_nop_start,
	.stop = llc_nop_stop,
	.rcv_from_drv = llc_nop_rcv_from_drv,
	.xmit_from_hci = llc_nop_xmit_from_hci,
};

int nfc_llc_nop_register(void)
{
	return nfc_llc_register(LLC_NOP_NAME, &llc_nop_ops);
}
ption>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=1b011e2f13fcf37e1e577fed25b295808d6c83b9'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include?id=1b011e2f13fcf37e1e577fed25b295808d6c83b9'>include</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/uapi?id=1b011e2f13fcf37e1e577fed25b295808d6c83b9'>uapi</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/uapi/sound?id=1b011e2f13fcf37e1e577fed25b295808d6c83b9'>sound</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='1b011e2f13fcf37e1e577fed25b295808d6c83b9'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Jiri Slaby &lt;jslaby@suse.cz&gt;</td><td class='right'>2016-12-19 16:23:12 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-12-20 09:48:47 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/uapi/sound?id=1b011e2f13fcf37e1e577fed25b295808d6c83b9'>1b011e2f13fcf37e1e577fed25b295808d6c83b9</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/uapi/sound?id=1b011e2f13fcf37e1e577fed25b295808d6c83b9'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=1b011e2f13fcf37e1e577fed25b295808d6c83b9'>50bb2b58757f3c578f40dec19c2b42a8d6bc534d</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/uapi/sound?id=1b011e2f13fcf37e1e577fed25b295808d6c83b9'>include/uapi/sound</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/uapi/sound?id=4983f0ab7ffaad1e534b21975367429736475205'>4983f0ab7ffaad1e534b21975367429736475205</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/uapi/sound?id=1b011e2f13fcf37e1e577fed25b295808d6c83b9&amp;id2=4983f0ab7ffaad1e534b21975367429736475205'>diff</a>)</td></tr></table>
<div class='commit-subject'>ratelimit: fix WARN_ON_RATELIMIT return value</div><div class='commit-msg'>The macro is to be used similarly as WARN_ON as:

  if (WARN_ON_RATELIMIT(condition, state))
	do_something();

One would expect only 'condition' to affect the 'if', but
WARN_ON_RATELIMIT does internally only:

  WARN_ON((condition) &amp;&amp; __ratelimit(state))

So the 'if' is affected by the ratelimiting state too.  Fix this by
returning 'condition' in any case.

Note that nobody uses WARN_ON_RATELIMIT yet, so there is nothing to
worry about.  But I was about to use it and was a bit surprised.

Link: http://lkml.kernel.org/r/20161215093224.23126-1-jslaby@suse.cz
Signed-off-by: Jiri Slaby &lt;jslaby@suse.cz&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=1b011e2f13fcf37e1e577fed25b295808d6c83b9'>Diffstat</a> (limited to 'include/uapi/sound')</div><table summary='diffstat' class='diffstat'>