/******************************************************************************
*******************************************************************************
**
**  Copyright (C) Sistina Software, Inc.  1997-2003  All rights reserved.
**  Copyright (C) 2004-2007 Red Hat, Inc.  All rights reserved.
**
**  This copyrighted material is made available to anyone wishing to use,
**  modify, copy, or redistribute it subject to the terms and conditions
**  of the GNU General Public License v.2.
**
*******************************************************************************
******************************************************************************/

#include "dlm_internal.h"
#include "config.h"
#include "memory.h"

static struct kmem_cache *lkb_cache;
static struct kmem_cache *rsb_cache;


int __init dlm_memory_init(void)
{
	lkb_cache = kmem_cache_create("dlm_lkb", sizeof(struct dlm_lkb),
				__alignof__(struct dlm_lkb), 0, NULL);
	if (!lkb_cache)
		return -ENOMEM;

	rsb_cache = kmem_cache_create("dlm_rsb", sizeof(struct dlm_rsb),
				__alignof__(struct dlm_rsb), 0, NULL);
	if (!rsb_cache) {
		kmem_cache_destroy(lkb_cache);
		return -ENOMEM;
	}

	return 0;
}

void dlm_memory_exit(void)
{
	if (lkb_cache)
		kmem_cache_destroy(lkb_cache);
	if (rsb_cache)
		kmem_cache_destroy(rsb_cache);
}

char *dlm_allocate_lvb(struct dlm_ls *ls)
{
	char *p;

	p = kzalloc(ls->ls_lvblen, GFP_NOFS);
	return p;
}

void dlm_free_lvb(char *p)
{
	kfree(p);
}

struct dlm_rsb *dlm_allocate_rsb(struct dlm_ls *ls)
{
	struct dlm_rsb *r;

	r = kmem_cache_zalloc(rsb_cache, GFP_NOFS);
	return r;
}

void dlm_free_rsb(struct dlm_rsb *r)
{
	if (r->res_lvbptr)
		dlm_free_lvb(r->res_lvbptr);
	kmem_cache_free(rsb_cache, r);
}

struct dlm_lkb *dlm_allocate_lkb(struct dlm_ls *ls)
{
	struct dlm_lkb *lkb;

	lkb = kmem_cache_zalloc(lkb_cache, GFP_NOFS);
	return lkb;
}

void dlm_free_lkb(struct dlm_lkb *lkb)
{
	if (lkb->lkb_flags & DLM_IFL_USER) {
		struct dlm_user_args *ua;
		ua = lkb->lkb_ua;
		if (ua) {
			if (ua->lksb.sb_lvbptr)
				kfree(ua->lksb.sb_lvbptr);
			kfree(ua);
		}
	}
	kmem_cache_free(lkb_cache, lkb);
}

rivate-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/kernel/power/snapshot.c?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/kernel/power/snapshot.c'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/kernel?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>kernel</a>/<a href='/cgit.cgi/linux/net-next.git/commit/kernel/power?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>power</a>/<a href='/cgit.cgi/linux/net-next.git/commit/kernel/power/snapshot.c?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>snapshot.c</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='0b529f143e8baad441a5aac9ad55ec2434d8fb46'/><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>Harsh Jain &lt;harsh@chelsio.com&gt;</td><td class='right'>2017-02-01 21:10:28 +0530</td></tr>
<tr><th>committer</th><td>Herbert Xu &lt;herbert@gondor.apana.org.au&gt;</td><td class='right'>2017-02-03 17:45:48 +0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/kernel/power/snapshot.c?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>0b529f143e8baad441a5aac9ad55ec2434d8fb46</a> (<a href='/cgit.cgi/linux/net-next.git/patch/kernel/power/snapshot.c?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>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=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>fd816e548e12745d4776ad0bd661bec142d3ea06</a> /<a href='/cgit.cgi/linux/net-next.git/tree/kernel/power/snapshot.c?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>kernel/power/snapshot.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/kernel/power/snapshot.c?h=nds-private-remove&amp;id=c26819900036f5b91608051a0fc7c76f6b4ffc7b'>c26819900036f5b91608051a0fc7c76f6b4ffc7b</a> (<a href='/cgit.cgi/linux/net-next.git/diff/kernel/power/snapshot.c?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46&amp;id2=c26819900036f5b91608051a0fc7c76f6b4ffc7b'>diff</a>)</td></tr></table>
<div class='commit-subject'>crypto: algif_aead - Fix kernel panic on list_del</div><div class='commit-msg'>Kernel panics when userspace program try to access AEAD interface.
Remove node from Linked List before freeing its memory.

Cc: &lt;stable@vger.kernel.org&gt;
Signed-off-by: Harsh Jain &lt;harsh@chelsio.com&gt;
Reviewed-by: Stephan Müller &lt;smueller@chronox.de&gt;
Signed-off-by: Herbert Xu &lt;herbert@gondor.apana.org.au&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>Diffstat</a> (limited to 'kernel/power/snapshot.c')</div><table summary='diffstat' class='diffstat'>