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usb: interface authorization: Use a flag for the default device authorization

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With this patch a flag instead of a variable
is used for the default device authorization.

Signed-off-by: Stefan Koch <stefan.koch10@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Stefan Koch
2015-08-25 21:10:11 +02:00
committed by Greg Kroah-Hartman
parent 7f59c150ad
commit ff8e2c560e
3 changed files with 31 additions and 18 deletions
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16
include/linux/usb/hcd.h
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@@ -58,12 +58,6 @@
*
* Since "struct usb_bus" is so thin, you can't share much code in it.
* This framework is a layer over that, and should be more sharable.
*
* @authorized_default: Specifies if new devices are authorized to
* connect by default or they require explicit
* user space authorization; this bit is settable
* through /sys/class/usb_host/X/authorized_default.
* For the rest is RO, so we don't lock to r/w it.
*/
/*-------------------------------------------------------------------------*/
@@ -121,6 +115,7 @@ struct usb_hcd {
#define HCD_FLAG_RH_RUNNING 5 /* root hub is running? */
#define HCD_FLAG_DEAD 6 /* controller has died? */
#define HCD_FLAG_INTF_AUTHORIZED 7 /* authorize interfaces? */
#define HCD_FLAG_DEV_AUTHORIZED 8 /* authorize devices? */
/* The flags can be tested using these macros; they are likely to
* be slightly faster than test_bit().
@@ -140,6 +135,14 @@ struct usb_hcd {
#define HCD_INTF_AUTHORIZED(hcd) \
((hcd)->flags & (1U << HCD_FLAG_INTF_AUTHORIZED))
/*
* Specifies if devices are authorized by default
* or they require explicit user space authorization; this bit is
* settable through /sys/class/usb_host/X/authorized_default
*/
#define HCD_DEV_AUTHORIZED(hcd) \
((hcd)->flags & (1U << HCD_FLAG_DEV_AUTHORIZED))
/* Flags that get set only during HCD registration or removal. */
unsigned rh_registered:1;/* is root hub registered? */
unsigned rh_pollable:1; /* may we poll the root hub? */
@@ -150,7 +153,6 @@ struct usb_hcd {
* support the new root-hub polling mechanism. */
unsigned uses_new_polling:1;
unsigned wireless:1; /* Wireless USB HCD */
unsigned authorized_default:1;
unsigned has_tt:1; /* Integrated TT in root hub */
unsigned amd_resume_bug:1; /* AMD remote wakeup quirk */
unsigned can_do_streams:1; /* HC supports streams */