/*
 * The USB Monitor, inspired by Dave Harding's USBMon.
 *
 * Copyright (C) 2005 Pete Zaitcev (zaitcev@redhat.com)
 */

#ifndef __USB_MON_H
#define __USB_MON_H

#include <linux/list.h>
#include <linux/slab.h>
#include <linux/kref.h>
/* #include <linux/usb.h> */	/* We use struct pointers only in this header */

#define TAG "usbmon"

struct mon_bus {
	struct list_head bus_link;
	spinlock_t lock;
	struct usb_bus *u_bus;

	int text_inited;
	int bin_inited;
	struct dentry *dent_s;		/* Debugging file */
	struct dentry *dent_t;		/* Text interface file */
	struct dentry *dent_u;		/* Second text interface file */
	struct device *classdev;	/* Device in usbmon class */

	/* Ref */
	int nreaders;			/* Under mon_lock AND mbus->lock */
	struct list_head r_list;	/* Chain of readers (usually one) */
	struct kref ref;		/* Under mon_lock */

	/* Stats */
	unsigned int cnt_events;
	unsigned int cnt_text_lost;
};

/*
 * An instance of a process which opened a file (but can fork later)
 */
struct mon_reader {
	struct list_head r_link;
	struct mon_bus *m_bus;
	void *r_data;		/* Use container_of instead? */

	void (*rnf_submit)(void *data, struct urb *urb);
	void (*rnf_error)(void *data, struct urb *urb, int error);
	void (*rnf_complete)(void *data, struct urb *urb, int status);
};

void mon_reader_add(struct mon_bus *mbus, struct mon_reader *r);
void mon_reader_del(struct mon_bus *mbus, struct mon_reader *r);

struct mon_bus *mon_bus_lookup(unsigned int num);

int /*bool*/ mon_text_add(struct mon_bus *mbus, const struct usb_bus *ubus);
void mon_text_del(struct mon_bus *mbus);
int /*bool*/ mon_bin_add(struct mon_bus *mbus, const struct usb_bus *ubus);
void mon_bin_del(struct mon_bus *mbus);

int __init mon_text_init(void);
void mon_text_exit(void);
int __init mon_bin_init(void);
void mon_bin_exit(void);

/*
 */
extern struct mutex mon_lock;

extern const struct file_operations mon_fops_stat;

extern struct mon_bus mon_bus0;		/* Only for redundant checks */

#endif /* __USB_MON_H */
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=c73e44269369e936165f0f9b61f1f09a11dae01c'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools?id=c73e44269369e936165f0f9b61f1f09a11dae01c'>tools</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/perf?id=c73e44269369e936165f0f9b61f1f09a11dae01c'>perf</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/perf/builtin-probe.c?id=c73e44269369e936165f0f9b61f1f09a11dae01c'>builtin-probe.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='c73e44269369e936165f0f9b61f1f09a11dae01c'/><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>Vincent &lt;vincent.stehle@laposte.net&gt;</td><td class='right'>2017-01-30 15:06:43 +0100</td></tr>
<tr><th>committer</th><td>David S. Miller &lt;davem@davemloft.net&gt;</td><td class='right'>2017-01-31 13:07:40 -0500</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/perf/builtin-probe.c?id=c73e44269369e936165f0f9b61f1f09a11dae01c'>c73e44269369e936165f0f9b61f1f09a11dae01c</a> (<a href='/cgit.cgi/linux/net-next.git/patch/tools/perf/builtin-probe.c?id=c73e44269369e936165f0f9b61f1f09a11dae01c'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=c73e44269369e936165f0f9b61f1f09a11dae01c'>e2188e900ba06302f8ed2746cb07edd3efbc5c35</a> /<a href='/cgit.cgi/linux/net-next.git/tree/tools/perf/builtin-probe.c?id=c73e44269369e936165f0f9b61f1f09a11dae01c'>tools/perf/builtin-probe.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/perf/builtin-probe.c?id=040587af31228d82c52267f717c9fcdb65f36335'>040587af31228d82c52267f717c9fcdb65f36335</a> (<a href='/cgit.cgi/linux/net-next.git/diff/tools/perf/builtin-probe.c?id=c73e44269369e936165f0f9b61f1f09a11dae01c&amp;id2=040587af31228d82c52267f717c9fcdb65f36335'>diff</a>)</td></tr></table>
<div class='commit-subject'>net: thunderx: avoid dereferencing xcv when NULL</div><div class='commit-msg'>This fixes the following smatch and coccinelle warnings:

  drivers/net/ethernet/cavium/thunder/thunder_xcv.c:119 xcv_setup_link() error: we previously assumed 'xcv' could be null (see line 118) [smatch]
  drivers/net/ethernet/cavium/thunder/thunder_xcv.c:119:16-20: ERROR: xcv is NULL but dereferenced. [coccinelle]

Fixes: 6465859aba1e66a5 ("net: thunderx: Add RGMII interface type support")
Signed-off-by: Vincent Stehlé &lt;vincent.stehle@laposte.net&gt;
Cc: Sunil Goutham &lt;sgoutham@cavium.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=c73e44269369e936165f0f9b61f1f09a11dae01c'>Diffstat</a> (limited to 'tools/perf/builtin-probe.c')</div><table summary='diffstat' class='diffstat'>