diff options
Diffstat (limited to 'net/tipc/user_reg.c')
-rw-r--r-- | net/tipc/user_reg.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/net/tipc/user_reg.c b/net/tipc/user_reg.c index 04d1b9be9c51..4146c40cd20b 100644 --- a/net/tipc/user_reg.c +++ b/net/tipc/user_reg.c | |||
@@ -1,6 +1,6 @@ | |||
1 | /* | 1 | /* |
2 | * net/tipc/user_reg.c: TIPC user registry code | 2 | * net/tipc/user_reg.c: TIPC user registry code |
3 | * | 3 | * |
4 | * Copyright (c) 2000-2006, Ericsson AB | 4 | * Copyright (c) 2000-2006, Ericsson AB |
5 | * Copyright (c) 2004-2005, Wind River Systems | 5 | * Copyright (c) 2004-2005, Wind River Systems |
6 | * All rights reserved. | 6 | * All rights reserved. |
@@ -40,7 +40,7 @@ | |||
40 | /* | 40 | /* |
41 | * TIPC user registry keeps track of users of the tipc_port interface. | 41 | * TIPC user registry keeps track of users of the tipc_port interface. |
42 | * | 42 | * |
43 | * The registry utilizes an array of "TIPC user" entries; | 43 | * The registry utilizes an array of "TIPC user" entries; |
44 | * a user's ID is the index of their associated array entry. | 44 | * a user's ID is the index of their associated array entry. |
45 | * Array entry 0 is not used, so userid 0 is not valid; | 45 | * Array entry 0 is not used, so userid 0 is not valid; |
46 | * TIPC sometimes uses this value to denote an anonymous user. | 46 | * TIPC sometimes uses this value to denote an anonymous user. |
@@ -51,7 +51,7 @@ | |||
51 | * struct tipc_user - registered TIPC user info | 51 | * struct tipc_user - registered TIPC user info |
52 | * @next: index of next free registry entry (or -1 for an allocated entry) | 52 | * @next: index of next free registry entry (or -1 for an allocated entry) |
53 | * @callback: ptr to routine to call when TIPC mode changes (NULL if none) | 53 | * @callback: ptr to routine to call when TIPC mode changes (NULL if none) |
54 | * @usr_handle: user-defined value passed to callback routine | 54 | * @usr_handle: user-defined value passed to callback routine |
55 | * @ports: list of user ports owned by the user | 55 | * @ports: list of user ports owned by the user |
56 | */ | 56 | */ |
57 | 57 | ||
@@ -71,7 +71,7 @@ static DEFINE_SPINLOCK(reg_lock); | |||
71 | 71 | ||
72 | /** | 72 | /** |
73 | * reg_init - create TIPC user registry (but don't activate it) | 73 | * reg_init - create TIPC user registry (but don't activate it) |
74 | * | 74 | * |
75 | * If registry has been pre-initialized it is left "as is". | 75 | * If registry has been pre-initialized it is left "as is". |
76 | * NOTE: This routine may be called when TIPC is inactive. | 76 | * NOTE: This routine may be called when TIPC is inactive. |
77 | */ | 77 | */ |
@@ -79,7 +79,7 @@ static DEFINE_SPINLOCK(reg_lock); | |||
79 | static int reg_init(void) | 79 | static int reg_init(void) |
80 | { | 80 | { |
81 | u32 i; | 81 | u32 i; |
82 | 82 | ||
83 | spin_lock_bh(®_lock); | 83 | spin_lock_bh(®_lock); |
84 | if (!users) { | 84 | if (!users) { |
85 | users = kzalloc(USER_LIST_SIZE, GFP_ATOMIC); | 85 | users = kzalloc(USER_LIST_SIZE, GFP_ATOMIC); |
@@ -137,7 +137,7 @@ int tipc_reg_start(void) | |||
137 | */ | 137 | */ |
138 | 138 | ||
139 | void tipc_reg_stop(void) | 139 | void tipc_reg_stop(void) |
140 | { | 140 | { |
141 | int id; | 141 | int id; |
142 | 142 | ||
143 | if (!users) | 143 | if (!users) |
@@ -174,14 +174,14 @@ int tipc_attach(u32 *userid, tipc_mode_event cb, void *usr_handle) | |||
174 | user_ptr = &users[next_free_user]; | 174 | user_ptr = &users[next_free_user]; |
175 | *userid = next_free_user; | 175 | *userid = next_free_user; |
176 | next_free_user = user_ptr->next; | 176 | next_free_user = user_ptr->next; |
177 | user_ptr->next = -1; | 177 | user_ptr->next = -1; |
178 | spin_unlock_bh(®_lock); | 178 | spin_unlock_bh(®_lock); |
179 | 179 | ||
180 | user_ptr->callback = cb; | 180 | user_ptr->callback = cb; |
181 | user_ptr->usr_handle = usr_handle; | 181 | user_ptr->usr_handle = usr_handle; |
182 | INIT_LIST_HEAD(&user_ptr->ports); | 182 | INIT_LIST_HEAD(&user_ptr->ports); |
183 | atomic_inc(&tipc_user_count); | 183 | atomic_inc(&tipc_user_count); |
184 | 184 | ||
185 | if (cb && (tipc_mode != TIPC_NOT_RUNNING)) | 185 | if (cb && (tipc_mode != TIPC_NOT_RUNNING)) |
186 | tipc_k_signal((Handler)reg_callback, (unsigned long)user_ptr); | 186 | tipc_k_signal((Handler)reg_callback, (unsigned long)user_ptr); |
187 | return TIPC_OK; | 187 | return TIPC_OK; |
@@ -207,16 +207,16 @@ void tipc_detach(u32 userid) | |||
207 | } | 207 | } |
208 | 208 | ||
209 | user_ptr = &users[userid]; | 209 | user_ptr = &users[userid]; |
210 | user_ptr->callback = NULL; | 210 | user_ptr->callback = NULL; |
211 | INIT_LIST_HEAD(&ports_temp); | 211 | INIT_LIST_HEAD(&ports_temp); |
212 | list_splice(&user_ptr->ports, &ports_temp); | 212 | list_splice(&user_ptr->ports, &ports_temp); |
213 | user_ptr->next = next_free_user; | 213 | user_ptr->next = next_free_user; |
214 | next_free_user = userid; | 214 | next_free_user = userid; |
215 | spin_unlock_bh(®_lock); | 215 | spin_unlock_bh(®_lock); |
216 | 216 | ||
217 | atomic_dec(&tipc_user_count); | 217 | atomic_dec(&tipc_user_count); |
218 | 218 | ||
219 | list_for_each_entry_safe(up_ptr, temp_up_ptr, &ports_temp, uport_list) { | 219 | list_for_each_entry_safe(up_ptr, temp_up_ptr, &ports_temp, uport_list) { |
220 | tipc_deleteport(up_ptr->ref); | 220 | tipc_deleteport(up_ptr->ref); |
221 | } | 221 | } |
222 | } | 222 | } |