#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);
}
selected'>nds-private-remove</option>
<option value='packet-loop-back'>packet-loop-back</option>
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<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
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<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=bb1a619735b4660f21bce3e728b937640024b4ad'>refs</a><a class='active' href='/cgit.cgi/linux/net-next.git/log/include/rdma/iw_cm.h?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/include/rdma/iw_cm.h?h=nds-private-remove&amp;id=bb1a619735b4660f21bce3e728b937640024b4ad'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/include/rdma/iw_cm.h?h=nds-private-remove&amp;id=bb1a619735b4660f21bce3e728b937640024b4ad'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/include/rdma/iw_cm.h?h=nds-private-remove&amp;id=bb1a619735b4660f21bce3e728b937640024b4ad'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/include/rdma/iw_cm.h'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=bb1a619735b4660f21bce3e728b937640024b4ad'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/include?h=nds-private-remove&amp;id=bb1a619735b4660f21bce3e728b937640024b4ad'>include</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/rdma?h=nds-private-remove&amp;id=bb1a619735b4660f21bce3e728b937640024b4ad'>rdma</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/rdma/iw_cm.h?h=nds-private-remove&amp;id=bb1a619735b4660f21bce3e728b937640024b4ad'>iw_cm.h</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/include/rdma/iw_cm.h?h=nds-private-remove&amp;id=bb1a619735b4660f21bce3e728b937640024b4ad&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
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>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-18 11:12:13 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-18 11:12:13 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/scsi/fc_frame.h?h=nds-private-remove&amp;id=0b75f821ec8be459dd4dec77be39595d989d77ac'>0b75f821ec8be459dd4dec77be39595d989d77ac</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/scsi/fc_frame.h?id=0b75f821ec8be459dd4dec77be39595d989d77ac'>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=0b75f821ec8be459dd4dec77be39595d989d77ac'>8d5e5132ddf28928d44347c78102233b042f480e</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/scsi/fc_frame.h?h=nds-private-remove&amp;id=0b75f821ec8be459dd4dec77be39595d989d77ac'>include/scsi/fc_frame.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/scsi/fc_frame.h?h=nds-private-remove&amp;id=49b550fee80b5f36b961640666f7945d7ec63000'>49b550fee80b5f36b961640666f7945d7ec63000</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/scsi/fc_frame.h?h=nds-private-remove&amp;id=0b75f821ec8be459dd4dec77be39595d989d77ac&amp;id2=49b550fee80b5f36b961640666f7945d7ec63000'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/scsi/fc_frame.h?h=nds-private-remove&amp;id=bc7c36eedb0c7004aa06c2afc3c5385adada8fa3'>bc7c36eedb0c7004aa06c2afc3c5385adada8fa3</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/scsi/fc_frame.h?h=nds-private-remove&amp;id=0b75f821ec8be459dd4dec77be39595d989d77ac&amp;id2=bc7c36eedb0c7004aa06c2afc3c5385adada8fa3'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip</div><div class='commit-msg'>Pull timer fix from Ingo Molnar:
 "Fix a crash in the ARM-Exynos clocksource driver, triggered by CPU
  hotplug operations"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  clocksource/exynos_mct: Clear interrupt when cpu is shut down
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=0b75f821ec8be459dd4dec77be39595d989d77ac'>Diffstat</a> (limited to 'include/scsi/fc_frame.h')</div><table summary='diffstat' class='diffstat'>