Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * kernel userspace event delivery |
| 3 | * |
| 4 | * Copyright (C) 2004 Red Hat, Inc. All rights reserved. |
| 5 | * Copyright (C) 2004 Novell, Inc. All rights reserved. |
| 6 | * Copyright (C) 2004 IBM, Inc. All rights reserved. |
| 7 | * |
| 8 | * Licensed under the GNU GPL v2. |
| 9 | * |
| 10 | * Authors: |
| 11 | * Robert Love <rml@novell.com> |
| 12 | * Kay Sievers <kay.sievers@vrfy.org> |
| 13 | * Arjan van de Ven <arjanv@redhat.com> |
| 14 | * Greg Kroah-Hartman <greg@kroah.com> |
| 15 | */ |
| 16 | |
| 17 | #include <linux/spinlock.h> |
| 18 | #include <linux/socket.h> |
| 19 | #include <linux/skbuff.h> |
| 20 | #include <linux/netlink.h> |
| 21 | #include <linux/string.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #include <linux/kobject.h> |
| 23 | #include <net/sock.h> |
| 24 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | |
Kay Sievers | 60a96a5 | 2007-07-08 22:29:26 +0200 | [diff] [blame] | 26 | /* the strings here must match the enum in include/linux/kobject.h */ |
| 27 | const char *kobject_actions[] = { |
| 28 | "add", |
| 29 | "remove", |
| 30 | "change", |
| 31 | "move", |
| 32 | "online", |
| 33 | "offline", |
| 34 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | |
Cornelia Huck | cd030c4 | 2007-07-20 13:58:13 +0200 | [diff] [blame] | 36 | #if defined(CONFIG_HOTPLUG) |
| 37 | u64 uevent_seqnum; |
| 38 | char uevent_helper[UEVENT_HELPER_PATH_LEN] = "/sbin/hotplug"; |
| 39 | static DEFINE_SPINLOCK(sequence_lock); |
| 40 | #if defined(CONFIG_NET) |
| 41 | static struct sock *uevent_sock; |
| 42 | #endif |
| 43 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | /** |
Cornelia Huck | 8a82472 | 2006-11-20 17:07:51 +0100 | [diff] [blame] | 45 | * kobject_uevent_env - send an uevent with environmental data |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | * |
Cornelia Huck | 8a82472 | 2006-11-20 17:07:51 +0100 | [diff] [blame] | 47 | * @action: action that is happening (usually KOBJ_MOVE) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | * @kobj: struct kobject that the action is happening to |
Cornelia Huck | 8a82472 | 2006-11-20 17:07:51 +0100 | [diff] [blame] | 49 | * @envp_ext: pointer to environmental data |
Aneesh Kumar K.V | 542cfce | 2006-12-19 13:01:27 -0800 | [diff] [blame] | 50 | * |
| 51 | * Returns 0 if kobject_uevent() is completed with success or the |
| 52 | * corresponding error when it fails. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | */ |
Aneesh Kumar K.V | 542cfce | 2006-12-19 13:01:27 -0800 | [diff] [blame] | 54 | int kobject_uevent_env(struct kobject *kobj, enum kobject_action action, |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 55 | char *envp_ext[]) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | { |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 57 | struct kobj_uevent_env *env; |
| 58 | const char *action_string = kobject_actions[action]; |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 59 | const char *devpath = NULL; |
| 60 | const char *subsystem; |
| 61 | struct kobject *top_kobj; |
| 62 | struct kset *kset; |
Kay Sievers | 312c004 | 2005-11-16 09:00:00 +0100 | [diff] [blame] | 63 | struct kset_uevent_ops *uevent_ops; |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 64 | u64 seq; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | int i = 0; |
Aneesh Kumar K.V | 542cfce | 2006-12-19 13:01:27 -0800 | [diff] [blame] | 66 | int retval = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 68 | pr_debug("%s\n", __FUNCTION__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 70 | /* search the kset we belong to */ |
| 71 | top_kobj = kobj; |
John Anthony Kazos Jr | 14193fb | 2007-04-04 07:39:17 -0400 | [diff] [blame] | 72 | while (!top_kobj->kset && top_kobj->parent) { |
| 73 | top_kobj = top_kobj->parent; |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 74 | } |
Aneesh Kumar K.V | 542cfce | 2006-12-19 13:01:27 -0800 | [diff] [blame] | 75 | if (!top_kobj->kset) { |
| 76 | pr_debug("kobject attempted to send uevent without kset!\n"); |
| 77 | return -EINVAL; |
| 78 | } |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 79 | |
| 80 | kset = top_kobj->kset; |
Kay Sievers | 312c004 | 2005-11-16 09:00:00 +0100 | [diff] [blame] | 81 | uevent_ops = kset->uevent_ops; |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 82 | |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 83 | /* skip the event, if the filter returns zero. */ |
Kay Sievers | 312c004 | 2005-11-16 09:00:00 +0100 | [diff] [blame] | 84 | if (uevent_ops && uevent_ops->filter) |
Aneesh Kumar K.V | 542cfce | 2006-12-19 13:01:27 -0800 | [diff] [blame] | 85 | if (!uevent_ops->filter(kset, kobj)) { |
| 86 | pr_debug("kobject filter function caused the event to drop!\n"); |
| 87 | return 0; |
| 88 | } |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 89 | |
Kay Sievers | 8640624 | 2007-03-14 03:25:56 +0100 | [diff] [blame] | 90 | /* originating subsystem */ |
| 91 | if (uevent_ops && uevent_ops->name) |
| 92 | subsystem = uevent_ops->name(kset, kobj); |
| 93 | else |
| 94 | subsystem = kobject_name(&kset->kobj); |
| 95 | if (!subsystem) { |
| 96 | pr_debug("unset subsytem caused the event to drop!\n"); |
| 97 | return 0; |
| 98 | } |
| 99 | |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 100 | /* environment buffer */ |
| 101 | env = kzalloc(sizeof(struct kobj_uevent_env), GFP_KERNEL); |
| 102 | if (!env) |
Aneesh Kumar K.V | 542cfce | 2006-12-19 13:01:27 -0800 | [diff] [blame] | 103 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 105 | /* complete object path */ |
| 106 | devpath = kobject_get_path(kobj, GFP_KERNEL); |
Aneesh Kumar K.V | 542cfce | 2006-12-19 13:01:27 -0800 | [diff] [blame] | 107 | if (!devpath) { |
| 108 | retval = -ENOENT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | goto exit; |
Aneesh Kumar K.V | 542cfce | 2006-12-19 13:01:27 -0800 | [diff] [blame] | 110 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 112 | /* default keys */ |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 113 | retval = add_uevent_var(env, "ACTION=%s", action_string); |
| 114 | if (retval) |
| 115 | goto exit; |
| 116 | retval = add_uevent_var(env, "DEVPATH=%s", devpath); |
| 117 | if (retval) |
| 118 | goto exit; |
| 119 | retval = add_uevent_var(env, "SUBSYSTEM=%s", subsystem); |
| 120 | if (retval) |
| 121 | goto exit; |
| 122 | |
| 123 | /* keys passed in from the caller */ |
| 124 | if (envp_ext) { |
| 125 | for (i = 0; envp_ext[i]; i++) { |
| 126 | retval = add_uevent_var(env, envp_ext[i]); |
| 127 | if (retval) |
| 128 | goto exit; |
| 129 | } |
| 130 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 132 | /* let the kset specific function add its stuff */ |
Kay Sievers | 312c004 | 2005-11-16 09:00:00 +0100 | [diff] [blame] | 133 | if (uevent_ops && uevent_ops->uevent) { |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 134 | retval = uevent_ops->uevent(kset, kobj, env); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | if (retval) { |
Kay Sievers | 312c004 | 2005-11-16 09:00:00 +0100 | [diff] [blame] | 136 | pr_debug ("%s - uevent() returned %d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | __FUNCTION__, retval); |
| 138 | goto exit; |
| 139 | } |
| 140 | } |
| 141 | |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 142 | /* we will send an event, so request a new sequence number */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | spin_lock(&sequence_lock); |
Kay Sievers | 312c004 | 2005-11-16 09:00:00 +0100 | [diff] [blame] | 144 | seq = ++uevent_seqnum; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | spin_unlock(&sequence_lock); |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 146 | retval = add_uevent_var(env, "SEQNUM=%llu", (unsigned long long)seq); |
| 147 | if (retval) |
| 148 | goto exit; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | |
Kay Sievers | 4d17ffd | 2006-04-25 15:37:26 +0200 | [diff] [blame] | 150 | #if defined(CONFIG_NET) |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 151 | /* send netlink message */ |
| 152 | if (uevent_sock) { |
| 153 | struct sk_buff *skb; |
| 154 | size_t len; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 156 | /* allocate message with the maximum possible size */ |
| 157 | len = strlen(action_string) + strlen(devpath) + 2; |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 158 | skb = alloc_skb(len + env->buflen, GFP_KERNEL); |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 159 | if (skb) { |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 160 | char *scratch; |
| 161 | |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 162 | /* add header */ |
| 163 | scratch = skb_put(skb, len); |
| 164 | sprintf(scratch, "%s@%s", action_string, devpath); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 165 | |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 166 | /* copy keys to our continuous event payload buffer */ |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 167 | for (i = 0; i < env->envp_idx; i++) { |
| 168 | len = strlen(env->envp[i]) + 1; |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 169 | scratch = skb_put(skb, len); |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 170 | strcpy(scratch, env->envp[i]); |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 171 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 173 | NETLINK_CB(skb).dst_group = 1; |
| 174 | netlink_broadcast(uevent_sock, skb, 0, 1, GFP_KERNEL); |
| 175 | } |
| 176 | } |
Kay Sievers | 4d17ffd | 2006-04-25 15:37:26 +0200 | [diff] [blame] | 177 | #endif |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 178 | |
| 179 | /* call uevent_helper, usually only enabled during early boot */ |
Kay Sievers | 312c004 | 2005-11-16 09:00:00 +0100 | [diff] [blame] | 180 | if (uevent_helper[0]) { |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 181 | char *argv [3]; |
| 182 | |
Kay Sievers | 312c004 | 2005-11-16 09:00:00 +0100 | [diff] [blame] | 183 | argv [0] = uevent_helper; |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 184 | argv [1] = (char *)subsystem; |
| 185 | argv [2] = NULL; |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 186 | retval = add_uevent_var(env, "HOME=/"); |
| 187 | if (retval) |
| 188 | goto exit; |
| 189 | retval = add_uevent_var(env, "PATH=/sbin:/bin:/usr/sbin:/usr/bin"); |
| 190 | if (retval) |
| 191 | goto exit; |
| 192 | |
| 193 | call_usermodehelper (argv[0], argv, env->envp, UMH_WAIT_EXEC); |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 194 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | |
| 196 | exit: |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 197 | kfree(devpath); |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 198 | kfree(env); |
Aneesh Kumar K.V | 542cfce | 2006-12-19 13:01:27 -0800 | [diff] [blame] | 199 | return retval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 200 | } |
Cornelia Huck | 8a82472 | 2006-11-20 17:07:51 +0100 | [diff] [blame] | 201 | |
| 202 | EXPORT_SYMBOL_GPL(kobject_uevent_env); |
| 203 | |
| 204 | /** |
| 205 | * kobject_uevent - notify userspace by ending an uevent |
| 206 | * |
| 207 | * @action: action that is happening (usually KOBJ_ADD and KOBJ_REMOVE) |
| 208 | * @kobj: struct kobject that the action is happening to |
Aneesh Kumar K.V | 542cfce | 2006-12-19 13:01:27 -0800 | [diff] [blame] | 209 | * |
| 210 | * Returns 0 if kobject_uevent() is completed with success or the |
| 211 | * corresponding error when it fails. |
Cornelia Huck | 8a82472 | 2006-11-20 17:07:51 +0100 | [diff] [blame] | 212 | */ |
Aneesh Kumar K.V | 542cfce | 2006-12-19 13:01:27 -0800 | [diff] [blame] | 213 | int kobject_uevent(struct kobject *kobj, enum kobject_action action) |
Cornelia Huck | 8a82472 | 2006-11-20 17:07:51 +0100 | [diff] [blame] | 214 | { |
Aneesh Kumar K.V | 542cfce | 2006-12-19 13:01:27 -0800 | [diff] [blame] | 215 | return kobject_uevent_env(kobj, action, NULL); |
Cornelia Huck | 8a82472 | 2006-11-20 17:07:51 +0100 | [diff] [blame] | 216 | } |
| 217 | |
Kay Sievers | 312c004 | 2005-11-16 09:00:00 +0100 | [diff] [blame] | 218 | EXPORT_SYMBOL_GPL(kobject_uevent); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 219 | |
| 220 | /** |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 221 | * add_uevent_var - add key value string to the environment buffer |
| 222 | * @env: environment buffer structure |
| 223 | * @format: printf format for the key=value pair |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 224 | * |
| 225 | * Returns 0 if environment variable was added successfully or -ENOMEM |
| 226 | * if no space was available. |
| 227 | */ |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 228 | int add_uevent_var(struct kobj_uevent_env *env, const char *format, ...) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 229 | { |
| 230 | va_list args; |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 231 | int len; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 232 | |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 233 | if (env->envp_idx >= ARRAY_SIZE(env->envp)) { |
| 234 | printk(KERN_ERR "add_uevent_var: too many keys\n"); |
| 235 | WARN_ON(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 236 | return -ENOMEM; |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 237 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 238 | |
| 239 | va_start(args, format); |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 240 | len = vsnprintf(&env->buf[env->buflen], |
| 241 | sizeof(env->buf) - env->buflen, |
| 242 | format, args); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 243 | va_end(args); |
| 244 | |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 245 | if (len >= (sizeof(env->buf) - env->buflen)) { |
| 246 | printk(KERN_ERR "add_uevent_var: buffer size too small\n"); |
| 247 | WARN_ON(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 248 | return -ENOMEM; |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 249 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 250 | |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame^] | 251 | env->envp[env->envp_idx++] = &env->buf[env->buflen]; |
| 252 | env->buflen += len + 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 253 | return 0; |
| 254 | } |
Kay Sievers | 312c004 | 2005-11-16 09:00:00 +0100 | [diff] [blame] | 255 | EXPORT_SYMBOL_GPL(add_uevent_var); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 256 | |
Kay Sievers | 4d17ffd | 2006-04-25 15:37:26 +0200 | [diff] [blame] | 257 | #if defined(CONFIG_NET) |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 258 | static int __init kobject_uevent_init(void) |
| 259 | { |
Eric W. Biederman | b4b5102 | 2007-09-12 13:05:38 +0200 | [diff] [blame] | 260 | uevent_sock = netlink_kernel_create(&init_net, NETLINK_KOBJECT_UEVENT, |
| 261 | 1, NULL, NULL, THIS_MODULE); |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 262 | if (!uevent_sock) { |
| 263 | printk(KERN_ERR |
| 264 | "kobject_uevent: unable to create netlink socket!\n"); |
| 265 | return -ENODEV; |
| 266 | } |
| 267 | |
| 268 | return 0; |
| 269 | } |
| 270 | |
| 271 | postcore_initcall(kobject_uevent_init); |
Kay Sievers | 4d17ffd | 2006-04-25 15:37:26 +0200 | [diff] [blame] | 272 | #endif |
Kay Sievers | 5f123fb | 2005-11-11 14:43:07 +0100 | [diff] [blame] | 273 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | #endif /* CONFIG_HOTPLUG */ |