#include <linux/tty.h>
#include <linux/module.h>
#include <linux/kallsyms.h>
#include <linux/semaphore.h>
#include <linux/sched.h>

/* Legacy tty mutex glue */

/*
 * Getting the big tty mutex.
 */

void tty_lock(struct tty_struct *tty)
{
	if (WARN(tty->magic != TTY_MAGIC, "L Bad %p\n", tty))
		return;
	tty_kref_get(tty);
	mutex_lock(&tty->legacy_mutex);
}
EXPORT_SYMBOL(tty_lock);

int tty_lock_interruptible(struct tty_struct *tty)
{
	int ret;

	if (WARN(tty->magic != TTY_MAGIC, "L Bad %p\n", tty))
		return -EIO;
	tty_kref_get(tty);
	ret = mutex_lock_interruptible(&tty->legacy_mutex);
	if (ret)
		tty_kref_put(tty);
	return ret;
}

void tty_unlock(struct tty_struct *tty)
{
	if (WARN(tty->magic != TTY_MAGIC, "U Bad %p\n", tty))
		return;
	mutex_unlock(&tty->legacy_mutex);
	tty_kref_put(tty);
}
EXPORT_SYMBOL(tty_unlock);

void tty_lock_slave(struct tty_struct *tty)
{
	if (tty && tty != tty->link)
		tty_lock(tty);
}

void tty_unlock_slave(struct tty_struct *tty)
{
	if (tty && tty != tty->link)
		tty_unlock(tty);
}

void tty_set_lock_subclass(struct tty_struct *tty)
{
	lockdep_set_subclass(&tty->legacy_mutex, TTY_LOCK_SLAVE);
}
/option>
<option value='nds-private-remove' selected='selected'>nds-private-remove</option>
<option value='packet-loop-back'>packet-loop-back</option>
<option value='packet-rx-pump-back'>packet-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/?h=nds-private-remove'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/tools/perf/util/callchain.h?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/tools/perf/util/callchain.h?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/tools/perf/util/callchain.h?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/tools/perf/util/callchain.h?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/tools/perf/util/callchain.h'>
<input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='2b1d530cb3157f828fcaadd259613f59db3c6d1c'/><select name='qt'>
<option value='grep'>log msg</option>
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</select>
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</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>tools</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/perf?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>perf</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/perf/util?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>util</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/perf/util/callchain.h?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>callchain.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='2b1d530cb3157f828fcaadd259613f59db3c6d1c'/><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>Kalle Valo &lt;kvalo@codeaurora.org&gt;</td><td class='right'>2017-01-27 14:19:25 +0200</td></tr>
<tr><th>committer</th><td>Kalle Valo &lt;kvalo@codeaurora.org&gt;</td><td class='right'>2017-01-28 09:15:50 +0200</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/perf/util/callchain.h?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>2b1d530cb3157f828fcaadd259613f59db3c6d1c</a> (<a href='/cgit.cgi/linux/net-next.git/patch/tools/perf/util/callchain.h?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>fb5dfe8f2e6956f54377c7275f330cd158ead259</a> /<a href='/cgit.cgi/linux/net-next.git/tree/tools/perf/util/callchain.h?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>tools/perf/util/callchain.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/perf/util/callchain.h?h=nds-private-remove&amp;id=bd19b5ab1da654de456e102250822ec06311d6ad'>bd19b5ab1da654de456e102250822ec06311d6ad</a> (<a href='/cgit.cgi/linux/net-next.git/diff/tools/perf/util/callchain.h?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c&amp;id2=bd19b5ab1da654de456e102250822ec06311d6ad'>diff</a>)</td></tr></table>
<div class='commit-subject'>MAINTAINERS: ath9k-devel is closed</div><div class='commit-msg'>ath9k-devel list is now closed, only linux-wireless should be used.

Reported-by: Michael Renzmann &lt;mrenzmann@madwifi-project.org&gt;
Signed-off-by: Kalle Valo &lt;kvalo@codeaurora.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>Diffstat</a> (limited to 'tools/perf/util/callchain.h')</div><table summary='diffstat' class='diffstat'>