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usbmon: Add class for binary interface

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Add a class which allows for an easier integration with udev.

This code was originally written by Paolo Abeni, and arrived to my tree
as a part of big patch to add binary API on December 18. As I understand,
Paolo always meant the class to be a part of the whole thing. This is his
udev rule to go along with the patch:

KERNEL=="usbmon[0-9]*", NAME="usbmon%n", MODE="0440",OWNER="root",GROUP="bin"

Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Pete Zaitcev
2007-05-03 16:51:16 -07:00
committed by Greg Kroah-Hartman
parent 49cdee0ed0
commit ce7cd137fc
4 changed files with 66 additions and 18 deletions
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14
drivers/usb/mon/mon_main.c
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@@ -220,6 +220,8 @@ static void mon_bus_remove(struct usb_bus *ubus)
list_del(&mbus->bus_link);
if (mbus->text_inited)
mon_text_del(mbus);
if (mbus->bin_inited)
mon_bin_del(mbus);
mon_dissolve(mbus, ubus);
kref_put(&mbus->ref, mon_bus_drop);
@@ -301,8 +303,8 @@ static void mon_bus_init(struct usb_bus *ubus)
mbus->u_bus = ubus;
ubus->mon_bus = mbus;
mbus->text_inited = mon_text_add(mbus, ubus->busnum);
// mon_bin_add(...)
mbus->text_inited = mon_text_add(mbus, ubus);
mbus->bin_inited = mon_bin_add(mbus, ubus);
mutex_lock(&mon_lock);
list_add_tail(&mbus->bus_link, &mon_buses);
@@ -321,8 +323,8 @@ static void mon_bus0_init(void)
spin_lock_init(&mbus->lock);
INIT_LIST_HEAD(&mbus->r_list);
mbus->text_inited = mon_text_add(mbus, 0);
// mbus->bin_inited = mon_bin_add(mbus, 0);
mbus->text_inited = mon_text_add(mbus, NULL);
mbus->bin_inited = mon_bin_add(mbus, NULL);
}
/*
@@ -403,6 +405,8 @@ static void __exit mon_exit(void)
if (mbus->text_inited)
mon_text_del(mbus);
if (mbus->bin_inited)
mon_bin_del(mbus);
/*
* This never happens, because the open/close paths in
@@ -423,6 +427,8 @@ static void __exit mon_exit(void)
mbus = &mon_bus0;
if (mbus->text_inited)
mon_text_del(mbus);
if (mbus->bin_inited)
mon_bin_del(mbus);
mutex_unlock(&mon_lock);