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Message-ID: <alpine.DEB.2.20.1806161803360.2838@hadrien>
Date: Sat, 16 Jun 2018 18:04:41 +0200 (CEST)
From: Julia Lawall <julia.lawall@...6.fr>
To: Hans Westgaard Ry <hans.westgaard.ry@...cle.com>
cc: Doug Ledford <dledford@...hat.com>, Jason Gunthorpe <jgg@...pe.ca>,
Hakon Bugge <haakon.bugge@...cle.com>,
Parav Pandit <parav@...lanox.com>,
Jack Morgenstein <jackm@....mellanox.co.il>,
Pravin Shedge <pravin.shedge4linux@...il.com>,
Matthew Wilcox <mawilcox@...rosoft.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Jeff Layton <jlayton@...nel.org>,
Wei Wang <wei.w.wang@...el.com>,
Chris Mi <chrism@...lanox.com>,
Eric Biggers <ebiggers@...gle.com>,
Rasmus Villemoes <linux@...musvillemoes.dk>,
Mel Gorman <mgorman@...hsingularity.net>,
linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org,
kbuild-all@...org
Subject: Re: [PATCH v3 2/2] IB/mad: Use ID allocator routines to allocate
agent number (fwd)
ib_mad_client_id is declared as u32, so it will not be < 0 (line 382).
julia
---------- Forwarded message ----------
Date: Fri, 8 Jun 2018 08:49:57 +0800
From: kbuild test robot <lkp@...el.com>
To: kbuild@...org
Cc: Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [PATCH v3 2/2] IB/mad: Use ID allocator routines to allocate agent
number
Hi Hans,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[also build test WARNING on v4.17]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Hans-Westgaard-Ry/IB-mad-Use-ID-allocator-routines-to-allocate-agent-number/20180608-022348
:::::: branch date: 6 hours ago
:::::: commit date: 6 hours ago
>> drivers/infiniband/core/mad.c:382:5-21: WARNING: Unsigned expression compared with zero: ib_mad_client_id < 0
# https://github.com/0day-ci/linux/commit/74b1ba09003c9d132878734bf44f32a62bad31db
git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout 74b1ba09003c9d132878734bf44f32a62bad31db
vim +382 drivers/infiniband/core/mad.c
2527e681 Sean Hefty 2006-07-20 190
^1da177e Linus Torvalds 2005-04-16 191 /*
^1da177e Linus Torvalds 2005-04-16 192 * ib_register_mad_agent - Register to send/receive MADs
^1da177e Linus Torvalds 2005-04-16 193 */
^1da177e Linus Torvalds 2005-04-16 194 struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device,
^1da177e Linus Torvalds 2005-04-16 195 u8 port_num,
^1da177e Linus Torvalds 2005-04-16 196 enum ib_qp_type qp_type,
^1da177e Linus Torvalds 2005-04-16 197 struct ib_mad_reg_req *mad_reg_req,
^1da177e Linus Torvalds 2005-04-16 198 u8 rmpp_version,
^1da177e Linus Torvalds 2005-04-16 199 ib_mad_send_handler send_handler,
^1da177e Linus Torvalds 2005-04-16 200 ib_mad_recv_handler recv_handler,
0f29b46d Ira Weiny 2014-08-08 201 void *context,
0f29b46d Ira Weiny 2014-08-08 202 u32 registration_flags)
^1da177e Linus Torvalds 2005-04-16 203 {
^1da177e Linus Torvalds 2005-04-16 204 struct ib_mad_port_private *port_priv;
^1da177e Linus Torvalds 2005-04-16 205 struct ib_mad_agent *ret = ERR_PTR(-EINVAL);
^1da177e Linus Torvalds 2005-04-16 206 struct ib_mad_agent_private *mad_agent_priv;
^1da177e Linus Torvalds 2005-04-16 207 struct ib_mad_reg_req *reg_req = NULL;
^1da177e Linus Torvalds 2005-04-16 208 struct ib_mad_mgmt_class_table *class;
^1da177e Linus Torvalds 2005-04-16 209 struct ib_mad_mgmt_vendor_class_table *vendor;
^1da177e Linus Torvalds 2005-04-16 210 struct ib_mad_mgmt_vendor_class *vendor_class;
^1da177e Linus Torvalds 2005-04-16 211 struct ib_mad_mgmt_method_table *method;
^1da177e Linus Torvalds 2005-04-16 212 int ret2, qpn;
^1da177e Linus Torvalds 2005-04-16 213 unsigned long flags;
^1da177e Linus Torvalds 2005-04-16 214 u8 mgmt_class, vclass;
74b1ba09 Hans Westgaard Ry 2018-06-07 215 u32 ib_mad_client_id;
^1da177e Linus Torvalds 2005-04-16 216 /* Validate parameters */
^1da177e Linus Torvalds 2005-04-16 217 qpn = get_spl_qp_index(qp_type);
9ad13a42 Ira Weiny 2014-08-08 218 if (qpn == -1) {
9ad13a42 Ira Weiny 2014-08-08 219 dev_notice(&device->dev,
9ad13a42 Ira Weiny 2014-08-08 220 "ib_register_mad_agent: invalid QP Type %d\n",
9ad13a42 Ira Weiny 2014-08-08 221 qp_type);
^1da177e Linus Torvalds 2005-04-16 222 goto error1;
9ad13a42 Ira Weiny 2014-08-08 223 }
^1da177e Linus Torvalds 2005-04-16 224
9ad13a42 Ira Weiny 2014-08-08 225 if (rmpp_version && rmpp_version != IB_MGMT_RMPP_VERSION) {
9ad13a42 Ira Weiny 2014-08-08 226 dev_notice(&device->dev,
9ad13a42 Ira Weiny 2014-08-08 227 "ib_register_mad_agent: invalid RMPP Version %u\n",
9ad13a42 Ira Weiny 2014-08-08 228 rmpp_version);
fa619a77 Hal Rosenstock 2005-07-27 229 goto error1;
9ad13a42 Ira Weiny 2014-08-08 230 }
^1da177e Linus Torvalds 2005-04-16 231
^1da177e Linus Torvalds 2005-04-16 232 /* Validate MAD registration request if supplied */
^1da177e Linus Torvalds 2005-04-16 233 if (mad_reg_req) {
9ad13a42 Ira Weiny 2014-08-08 234 if (mad_reg_req->mgmt_class_version >= MAX_MGMT_VERSION) {
9ad13a42 Ira Weiny 2014-08-08 235 dev_notice(&device->dev,
9ad13a42 Ira Weiny 2014-08-08 236 "ib_register_mad_agent: invalid Class Version %u\n",
9ad13a42 Ira Weiny 2014-08-08 237 mad_reg_req->mgmt_class_version);
^1da177e Linus Torvalds 2005-04-16 238 goto error1;
9ad13a42 Ira Weiny 2014-08-08 239 }
9ad13a42 Ira Weiny 2014-08-08 240 if (!recv_handler) {
9ad13a42 Ira Weiny 2014-08-08 241 dev_notice(&device->dev,
9ad13a42 Ira Weiny 2014-08-08 242 "ib_register_mad_agent: no recv_handler\n");
^1da177e Linus Torvalds 2005-04-16 243 goto error1;
9ad13a42 Ira Weiny 2014-08-08 244 }
^1da177e Linus Torvalds 2005-04-16 245 if (mad_reg_req->mgmt_class >= MAX_MGMT_CLASS) {
^1da177e Linus Torvalds 2005-04-16 246 /*
^1da177e Linus Torvalds 2005-04-16 247 * IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE is the only
^1da177e Linus Torvalds 2005-04-16 248 * one in this range currently allowed
^1da177e Linus Torvalds 2005-04-16 249 */
^1da177e Linus Torvalds 2005-04-16 250 if (mad_reg_req->mgmt_class !=
9ad13a42 Ira Weiny 2014-08-08 251 IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) {
9ad13a42 Ira Weiny 2014-08-08 252 dev_notice(&device->dev,
9ad13a42 Ira Weiny 2014-08-08 253 "ib_register_mad_agent: Invalid Mgmt Class 0x%x\n",
9ad13a42 Ira Weiny 2014-08-08 254 mad_reg_req->mgmt_class);
^1da177e Linus Torvalds 2005-04-16 255 goto error1;
9ad13a42 Ira Weiny 2014-08-08 256 }
^1da177e Linus Torvalds 2005-04-16 257 } else if (mad_reg_req->mgmt_class == 0) {
^1da177e Linus Torvalds 2005-04-16 258 /*
^1da177e Linus Torvalds 2005-04-16 259 * Class 0 is reserved in IBA and is used for
^1da177e Linus Torvalds 2005-04-16 260 * aliasing of IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE
^1da177e Linus Torvalds 2005-04-16 261 */
9ad13a42 Ira Weiny 2014-08-08 262 dev_notice(&device->dev,
9ad13a42 Ira Weiny 2014-08-08 263 "ib_register_mad_agent: Invalid Mgmt Class 0\n");
^1da177e Linus Torvalds 2005-04-16 264 goto error1;
^1da177e Linus Torvalds 2005-04-16 265 } else if (is_vendor_class(mad_reg_req->mgmt_class)) {
^1da177e Linus Torvalds 2005-04-16 266 /*
^1da177e Linus Torvalds 2005-04-16 267 * If class is in "new" vendor range,
^1da177e Linus Torvalds 2005-04-16 268 * ensure supplied OUI is not zero
^1da177e Linus Torvalds 2005-04-16 269 */
9ad13a42 Ira Weiny 2014-08-08 270 if (!is_vendor_oui(mad_reg_req->oui)) {
9ad13a42 Ira Weiny 2014-08-08 271 dev_notice(&device->dev,
9ad13a42 Ira Weiny 2014-08-08 272 "ib_register_mad_agent: No OUI specified for class 0x%x\n",
9ad13a42 Ira Weiny 2014-08-08 273 mad_reg_req->mgmt_class);
^1da177e Linus Torvalds 2005-04-16 274 goto error1;
^1da177e Linus Torvalds 2005-04-16 275 }
9ad13a42 Ira Weiny 2014-08-08 276 }
618a3c03 Hal Rosenstock 2006-03-28 277 /* Make sure class supplied is consistent with RMPP */
64cb9c6a Hal Rosenstock 2006-04-12 278 if (!ib_is_mad_class_rmpp(mad_reg_req->mgmt_class)) {
9ad13a42 Ira Weiny 2014-08-08 279 if (rmpp_version) {
9ad13a42 Ira Weiny 2014-08-08 280 dev_notice(&device->dev,
9ad13a42 Ira Weiny 2014-08-08 281 "ib_register_mad_agent: RMPP version for non-RMPP class 0x%x\n",
9ad13a42 Ira Weiny 2014-08-08 282 mad_reg_req->mgmt_class);
618a3c03 Hal Rosenstock 2006-03-28 283 goto error1;
618a3c03 Hal Rosenstock 2006-03-28 284 }
9ad13a42 Ira Weiny 2014-08-08 285 }
1471cb6c Ira Weiny 2014-08-08 286
^1da177e Linus Torvalds 2005-04-16 287 /* Make sure class supplied is consistent with QP type */
^1da177e Linus Torvalds 2005-04-16 288 if (qp_type == IB_QPT_SMI) {
^1da177e Linus Torvalds 2005-04-16 289 if ((mad_reg_req->mgmt_class !=
^1da177e Linus Torvalds 2005-04-16 290 IB_MGMT_CLASS_SUBN_LID_ROUTED) &&
^1da177e Linus Torvalds 2005-04-16 291 (mad_reg_req->mgmt_class !=
9ad13a42 Ira Weiny 2014-08-08 292 IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)) {
9ad13a42 Ira Weiny 2014-08-08 293 dev_notice(&device->dev,
9ad13a42 Ira Weiny 2014-08-08 294 "ib_register_mad_agent: Invalid SM QP type: class 0x%x\n",
9ad13a42 Ira Weiny 2014-08-08 295 mad_reg_req->mgmt_class);
^1da177e Linus Torvalds 2005-04-16 296 goto error1;
9ad13a42 Ira Weiny 2014-08-08 297 }
^1da177e Linus Torvalds 2005-04-16 298 } else {
^1da177e Linus Torvalds 2005-04-16 299 if ((mad_reg_req->mgmt_class ==
^1da177e Linus Torvalds 2005-04-16 300 IB_MGMT_CLASS_SUBN_LID_ROUTED) ||
^1da177e Linus Torvalds 2005-04-16 301 (mad_reg_req->mgmt_class ==
9ad13a42 Ira Weiny 2014-08-08 302 IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)) {
9ad13a42 Ira Weiny 2014-08-08 303 dev_notice(&device->dev,
9ad13a42 Ira Weiny 2014-08-08 304 "ib_register_mad_agent: Invalid GS QP type: class 0x%x\n",
9ad13a42 Ira Weiny 2014-08-08 305 mad_reg_req->mgmt_class);
^1da177e Linus Torvalds 2005-04-16 306 goto error1;
^1da177e Linus Torvalds 2005-04-16 307 }
9ad13a42 Ira Weiny 2014-08-08 308 }
^1da177e Linus Torvalds 2005-04-16 309 } else {
^1da177e Linus Torvalds 2005-04-16 310 /* No registration request supplied */
^1da177e Linus Torvalds 2005-04-16 311 if (!send_handler)
^1da177e Linus Torvalds 2005-04-16 312 goto error1;
1471cb6c Ira Weiny 2014-08-08 313 if (registration_flags & IB_MAD_USER_RMPP)
1471cb6c Ira Weiny 2014-08-08 314 goto error1;
^1da177e Linus Torvalds 2005-04-16 315 }
^1da177e Linus Torvalds 2005-04-16 316
^1da177e Linus Torvalds 2005-04-16 317 /* Validate device and port */
^1da177e Linus Torvalds 2005-04-16 318 port_priv = ib_get_mad_port(device, port_num);
^1da177e Linus Torvalds 2005-04-16 319 if (!port_priv) {
f57e8ca5 Yuval Shaia 2017-01-19 320 dev_notice(&device->dev,
f57e8ca5 Yuval Shaia 2017-01-19 321 "ib_register_mad_agent: Invalid port %d\n",
f57e8ca5 Yuval Shaia 2017-01-19 322 port_num);
^1da177e Linus Torvalds 2005-04-16 323 ret = ERR_PTR(-ENODEV);
^1da177e Linus Torvalds 2005-04-16 324 goto error1;
^1da177e Linus Torvalds 2005-04-16 325 }
^1da177e Linus Torvalds 2005-04-16 326
c8367c4c Ira Weiny 2011-05-19 327 /* Verify the QP requested is supported. For example, Ethernet devices
c8367c4c Ira Weiny 2011-05-19 328 * will not have QP0 */
c8367c4c Ira Weiny 2011-05-19 329 if (!port_priv->qp_info[qpn].qp) {
9ad13a42 Ira Weiny 2014-08-08 330 dev_notice(&device->dev,
9ad13a42 Ira Weiny 2014-08-08 331 "ib_register_mad_agent: QP %d not supported\n", qpn);
c8367c4c Ira Weiny 2011-05-19 332 ret = ERR_PTR(-EPROTONOSUPPORT);
c8367c4c Ira Weiny 2011-05-19 333 goto error1;
c8367c4c Ira Weiny 2011-05-19 334 }
c8367c4c Ira Weiny 2011-05-19 335
^1da177e Linus Torvalds 2005-04-16 336 /* Allocate structures */
de6eb66b Roland Dreier 2005-11-02 337 mad_agent_priv = kzalloc(sizeof *mad_agent_priv, GFP_KERNEL);
^1da177e Linus Torvalds 2005-04-16 338 if (!mad_agent_priv) {
^1da177e Linus Torvalds 2005-04-16 339 ret = ERR_PTR(-ENOMEM);
^1da177e Linus Torvalds 2005-04-16 340 goto error1;
^1da177e Linus Torvalds 2005-04-16 341 }
b82cab6b Hal Rosenstock 2005-07-27 342
^1da177e Linus Torvalds 2005-04-16 343 if (mad_reg_req) {
9893e742 Julia Lawall 2010-05-15 344 reg_req = kmemdup(mad_reg_req, sizeof *reg_req, GFP_KERNEL);
^1da177e Linus Torvalds 2005-04-16 345 if (!reg_req) {
^1da177e Linus Torvalds 2005-04-16 346 ret = ERR_PTR(-ENOMEM);
b82cab6b Hal Rosenstock 2005-07-27 347 goto error3;
^1da177e Linus Torvalds 2005-04-16 348 }
^1da177e Linus Torvalds 2005-04-16 349 }
^1da177e Linus Torvalds 2005-04-16 350
^1da177e Linus Torvalds 2005-04-16 351 /* Now, fill in the various structures */
^1da177e Linus Torvalds 2005-04-16 352 mad_agent_priv->qp_info = &port_priv->qp_info[qpn];
^1da177e Linus Torvalds 2005-04-16 353 mad_agent_priv->reg_req = reg_req;
fa619a77 Hal Rosenstock 2005-07-27 354 mad_agent_priv->agent.rmpp_version = rmpp_version;
^1da177e Linus Torvalds 2005-04-16 355 mad_agent_priv->agent.device = device;
^1da177e Linus Torvalds 2005-04-16 356 mad_agent_priv->agent.recv_handler = recv_handler;
^1da177e Linus Torvalds 2005-04-16 357 mad_agent_priv->agent.send_handler = send_handler;
^1da177e Linus Torvalds 2005-04-16 358 mad_agent_priv->agent.context = context;
^1da177e Linus Torvalds 2005-04-16 359 mad_agent_priv->agent.qp = port_priv->qp_info[qpn].qp;
^1da177e Linus Torvalds 2005-04-16 360 mad_agent_priv->agent.port_num = port_num;
0f29b46d Ira Weiny 2014-08-08 361 mad_agent_priv->agent.flags = registration_flags;
d9620a4c Ralph Campbell 2009-02-27 362 spin_lock_init(&mad_agent_priv->lock);
d9620a4c Ralph Campbell 2009-02-27 363 INIT_LIST_HEAD(&mad_agent_priv->send_list);
d9620a4c Ralph Campbell 2009-02-27 364 INIT_LIST_HEAD(&mad_agent_priv->wait_list);
d9620a4c Ralph Campbell 2009-02-27 365 INIT_LIST_HEAD(&mad_agent_priv->done_list);
d9620a4c Ralph Campbell 2009-02-27 366 INIT_LIST_HEAD(&mad_agent_priv->rmpp_list);
d9620a4c Ralph Campbell 2009-02-27 367 INIT_DELAYED_WORK(&mad_agent_priv->timed_work, timeout_sends);
d9620a4c Ralph Campbell 2009-02-27 368 INIT_LIST_HEAD(&mad_agent_priv->local_list);
d9620a4c Ralph Campbell 2009-02-27 369 INIT_WORK(&mad_agent_priv->local_work, local_completions);
d9620a4c Ralph Campbell 2009-02-27 370 atomic_set(&mad_agent_priv->refcount, 1);
d9620a4c Ralph Campbell 2009-02-27 371 init_completion(&mad_agent_priv->comp);
^1da177e Linus Torvalds 2005-04-16 372
47a2b338 Daniel Jurgens 2017-05-19 373 ret2 = ib_mad_agent_security_setup(&mad_agent_priv->agent, qp_type);
47a2b338 Daniel Jurgens 2017-05-19 374 if (ret2) {
47a2b338 Daniel Jurgens 2017-05-19 375 ret = ERR_PTR(ret2);
47a2b338 Daniel Jurgens 2017-05-19 376 goto error4;
47a2b338 Daniel Jurgens 2017-05-19 377 }
74b1ba09 Hans Westgaard Ry 2018-06-07 378 ib_mad_client_id = ida_simple_get_cyclic(&ib_mad_client_ids,
74b1ba09 Hans Westgaard Ry 2018-06-07 379 1,
74b1ba09 Hans Westgaard Ry 2018-06-07 380 BIT(24) - 1,
74b1ba09 Hans Westgaard Ry 2018-06-07 381 GFP_KERNEL);
74b1ba09 Hans Westgaard Ry 2018-06-07 @382 if (ib_mad_client_id < 0) {
74b1ba09 Hans Westgaard Ry 2018-06-07 383 pr_err("Couldn't allocate agent tid; errcode: %#x\n",
74b1ba09 Hans Westgaard Ry 2018-06-07 384 ib_mad_client_id);
74b1ba09 Hans Westgaard Ry 2018-06-07 385 ret = ERR_PTR(ib_mad_client_id);
74b1ba09 Hans Westgaard Ry 2018-06-07 386 goto error4;
74b1ba09 Hans Westgaard Ry 2018-06-07 387 }
74b1ba09 Hans Westgaard Ry 2018-06-07 388 mad_agent_priv->agent.hi_tid = ib_mad_client_id;
47a2b338 Daniel Jurgens 2017-05-19 389
^1da177e Linus Torvalds 2005-04-16 390 spin_lock_irqsave(&port_priv->reg_lock, flags);
^1da177e Linus Torvalds 2005-04-16 391
^1da177e Linus Torvalds 2005-04-16 392 /*
^1da177e Linus Torvalds 2005-04-16 393 * Make sure MAD registration (if supplied)
^1da177e Linus Torvalds 2005-04-16 394 * is non overlapping with any existing ones
^1da177e Linus Torvalds 2005-04-16 395 */
^1da177e Linus Torvalds 2005-04-16 396 if (mad_reg_req) {
^1da177e Linus Torvalds 2005-04-16 397 mgmt_class = convert_mgmt_class(mad_reg_req->mgmt_class);
^1da177e Linus Torvalds 2005-04-16 398 if (!is_vendor_class(mgmt_class)) {
^1da177e Linus Torvalds 2005-04-16 399 class = port_priv->version[mad_reg_req->
^1da177e Linus Torvalds 2005-04-16 400 mgmt_class_version].class;
^1da177e Linus Torvalds 2005-04-16 401 if (class) {
^1da177e Linus Torvalds 2005-04-16 402 method = class->method_table[mgmt_class];
^1da177e Linus Torvalds 2005-04-16 403 if (method) {
^1da177e Linus Torvalds 2005-04-16 404 if (method_in_use(&method,
^1da177e Linus Torvalds 2005-04-16 405 mad_reg_req))
47a2b338 Daniel Jurgens 2017-05-19 406 goto error5;
^1da177e Linus Torvalds 2005-04-16 407 }
^1da177e Linus Torvalds 2005-04-16 408 }
^1da177e Linus Torvalds 2005-04-16 409 ret2 = add_nonoui_reg_req(mad_reg_req, mad_agent_priv,
^1da177e Linus Torvalds 2005-04-16 410 mgmt_class);
^1da177e Linus Torvalds 2005-04-16 411 } else {
^1da177e Linus Torvalds 2005-04-16 412 /* "New" vendor class range */
^1da177e Linus Torvalds 2005-04-16 413 vendor = port_priv->version[mad_reg_req->
^1da177e Linus Torvalds 2005-04-16 414 mgmt_class_version].vendor;
^1da177e Linus Torvalds 2005-04-16 415 if (vendor) {
^1da177e Linus Torvalds 2005-04-16 416 vclass = vendor_class_index(mgmt_class);
^1da177e Linus Torvalds 2005-04-16 417 vendor_class = vendor->vendor_class[vclass];
^1da177e Linus Torvalds 2005-04-16 418 if (vendor_class) {
^1da177e Linus Torvalds 2005-04-16 419 if (is_vendor_method_in_use(
^1da177e Linus Torvalds 2005-04-16 420 vendor_class,
^1da177e Linus Torvalds 2005-04-16 421 mad_reg_req))
47a2b338 Daniel Jurgens 2017-05-19 422 goto error5;
^1da177e Linus Torvalds 2005-04-16 423 }
^1da177e Linus Torvalds 2005-04-16 424 }
^1da177e Linus Torvalds 2005-04-16 425 ret2 = add_oui_reg_req(mad_reg_req, mad_agent_priv);
^1da177e Linus Torvalds 2005-04-16 426 }
^1da177e Linus Torvalds 2005-04-16 427 if (ret2) {
^1da177e Linus Torvalds 2005-04-16 428 ret = ERR_PTR(ret2);
47a2b338 Daniel Jurgens 2017-05-19 429 goto error5;
^1da177e Linus Torvalds 2005-04-16 430 }
^1da177e Linus Torvalds 2005-04-16 431 }
^1da177e Linus Torvalds 2005-04-16 432
^1da177e Linus Torvalds 2005-04-16 433 /* Add mad agent into port's agent list */
^1da177e Linus Torvalds 2005-04-16 434 list_add_tail(&mad_agent_priv->agent_list, &port_priv->agent_list);
^1da177e Linus Torvalds 2005-04-16 435 spin_unlock_irqrestore(&port_priv->reg_lock, flags);
^1da177e Linus Torvalds 2005-04-16 436
^1da177e Linus Torvalds 2005-04-16 437 return &mad_agent_priv->agent;
47a2b338 Daniel Jurgens 2017-05-19 438 error5:
^1da177e Linus Torvalds 2005-04-16 439 spin_unlock_irqrestore(&port_priv->reg_lock, flags);
47a2b338 Daniel Jurgens 2017-05-19 440 ib_mad_agent_security_cleanup(&mad_agent_priv->agent);
74b1ba09 Hans Westgaard Ry 2018-06-07 441 ida_simple_remove(&ib_mad_client_ids, ib_mad_client_id);
74b1ba09 Hans Westgaard Ry 2018-06-07 442
47a2b338 Daniel Jurgens 2017-05-19 443 error4:
^1da177e Linus Torvalds 2005-04-16 444 kfree(reg_req);
b82cab6b Hal Rosenstock 2005-07-27 445 error3:
2012a116 Adrian Bunk 2005-11-27 446 kfree(mad_agent_priv);
^1da177e Linus Torvalds 2005-04-16 447 error1:
^1da177e Linus Torvalds 2005-04-16 448 return ret;
^1da177e Linus Torvalds 2005-04-16 449 }
^1da177e Linus Torvalds 2005-04-16 450 EXPORT_SYMBOL(ib_register_mad_agent);
^1da177e Linus Torvalds 2005-04-16 451
---
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