/* 
 *  Copyright 10/16/2005 Tilman Kranz <tilde@tk-sls.de>
 *  Creative Audio MIDI, for the CA0106 Driver
 *  Version: 0.0.1
 *
 *  Changelog:
 *    See ca_midi.c
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   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, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#include <linux/spinlock.h>
#include <sound/rawmidi.h>
#include <sound/mpu401.h>

#define CA_MIDI_MODE_INPUT	MPU401_MODE_INPUT
#define CA_MIDI_MODE_OUTPUT	MPU401_MODE_OUTPUT

struct snd_ca_midi {

	struct snd_rawmidi *rmidi;
	struct snd_rawmidi_substream *substream_input;
	struct snd_rawmidi_substream *substream_output;

	void *dev_id;

	spinlock_t input_lock;
	spinlock_t output_lock;
	spinlock_t open_lock;

	unsigned int channel;

	unsigned int midi_mode;
	int port;
	int tx_enable, rx_enable;
	int ipr_tx, ipr_rx;            
	
	int input_avail, output_ready;
	int ack, reset, enter_uart;

	void (*interrupt)(struct snd_ca_midi *midi, unsigned int status);
	void (*interrupt_enable)(struct snd_ca_midi *midi, int intr);
	void (*interrupt_disable)(struct snd_ca_midi *midi, int intr);

	unsigned char (*read)(struct snd_ca_midi *midi, int idx);
	void (*write)(struct snd_ca_midi *midi, int data, int idx);

	/* get info from dev_id */
	struct snd_card *(*get_dev_id_card)(void *dev_id);
	int (*get_dev_id_port)(void *dev_id);
};

int ca_midi_init(void *card, struct snd_ca_midi *midi, int device, char *name);
nux/net-next.git/diff/sound/soc/sirf?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/sound/soc/sirf'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a'>sound</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/soc?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a'>soc</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/soc/sirf?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a'>sirf</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='07cd12945551b63ecb1a349d50a6d69d1d6feb4a'/><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>Tejun Heo &lt;tj@kernel.org&gt;</td><td class='right'>2017-01-26 16:47:28 -0500</td></tr>
<tr><th>committer</th><td>Tejun Heo &lt;tj@kernel.org&gt;</td><td class='right'>2017-01-26 16:47:28 -0500</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/soc/sirf?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a'>07cd12945551b63ecb1a349d50a6d69d1d6feb4a</a> (<a href='/cgit.cgi/linux/net-next.git/patch/sound/soc/sirf?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a'>75f65eba7eac9277971082a2d5a4cf1370562c0c</a> /<a href='/cgit.cgi/linux/net-next.git/tree/sound/soc/sirf?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a'>sound/soc/sirf</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/soc/sirf?id=7ce7d89f48834cefece7804d38fc5d85382edf77'>7ce7d89f48834cefece7804d38fc5d85382edf77</a> (<a href='/cgit.cgi/linux/net-next.git/diff/sound/soc/sirf?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a&amp;id2=7ce7d89f48834cefece7804d38fc5d85382edf77'>diff</a>)</td></tr></table>
<div class='commit-subject'>cgroup: don't online subsystems before cgroup_name/path() are operational</div><div class='commit-msg'>While refactoring cgroup creation, a5bca2152036 ("cgroup: factor out
cgroup_create() out of cgroup_mkdir()") incorrectly onlined subsystems
before the new cgroup is associated with it kernfs_node.  This is fine
for cgroup proper but cgroup_name/path() depend on the associated
kernfs_node and if a subsystem makes the new cgroup_subsys_state
visible, which they're allowed to after onlining, it can lead to NULL
dereference.

The current code performs cgroup creation and subsystem onlining in
cgroup_create() and cgroup_mkdir() makes the cgroup and subsystems
visible afterwards.  There's no reason to online the subsystems early
and we can simply drop cgroup_apply_control_enable() call from
cgroup_create() so that the subsystems are onlined and made visible at
the same time.

Signed-off-by: Tejun Heo &lt;tj@kernel.org&gt;
Reported-by: Konstantin Khlebnikov &lt;khlebnikov@yandex-team.ru&gt;
Fixes: a5bca2152036 ("cgroup: factor out cgroup_create() out of cgroup_mkdir()") 
Cc: stable@vger.kernel.org # v4.6+
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a'>Diffstat</a> (limited to 'sound/soc/sirf')</div><table summary='diffstat' class='diffstat'>