aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/misc/mei/hbm.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/misc/mei/hbm.c')
-rw-r--r--drivers/misc/mei/hbm.c34
1 files changed, 15 insertions, 19 deletions
diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c
index 239d7f5d6a92..c8412d41e4f1 100644
--- a/drivers/misc/mei/hbm.c
+++ b/drivers/misc/mei/hbm.c
@@ -105,21 +105,6 @@ void mei_hbm_idle(struct mei_device *dev)
105} 105}
106 106
107/** 107/**
108 * mei_me_cl_remove_all - remove all me clients
109 *
110 * @dev: the device structure
111 */
112static void mei_me_cl_remove_all(struct mei_device *dev)
113{
114 struct mei_me_client *me_cl, *next;
115
116 list_for_each_entry_safe(me_cl, next, &dev->me_clients, list) {
117 list_del(&me_cl->list);
118 kfree(me_cl);
119 }
120}
121
122/**
123 * mei_hbm_reset - reset hbm counters and book keeping data structurs 108 * mei_hbm_reset - reset hbm counters and book keeping data structurs
124 * 109 *
125 * @dev: the device structure 110 * @dev: the device structure
@@ -128,7 +113,7 @@ void mei_hbm_reset(struct mei_device *dev)
128{ 113{
129 dev->me_client_index = 0; 114 dev->me_client_index = 0;
130 115
131 mei_me_cl_remove_all(dev); 116 mei_me_cl_rm_all(dev);
132 117
133 mei_hbm_idle(dev); 118 mei_hbm_idle(dev);
134} 119}
@@ -339,11 +324,16 @@ static int mei_hbm_me_cl_add(struct mei_device *dev,
339 struct hbm_props_response *res) 324 struct hbm_props_response *res)
340{ 325{
341 struct mei_me_client *me_cl; 326 struct mei_me_client *me_cl;
327 const uuid_le *uuid = &res->client_properties.protocol_name;
328
329 mei_me_cl_rm_by_uuid(dev, uuid);
342 330
343 me_cl = kzalloc(sizeof(struct mei_me_client), GFP_KERNEL); 331 me_cl = kzalloc(sizeof(struct mei_me_client), GFP_KERNEL);
344 if (!me_cl) 332 if (!me_cl)
345 return -ENOMEM; 333 return -ENOMEM;
346 334
335 mei_me_cl_init(me_cl);
336
347 me_cl->props = res->client_properties; 337 me_cl->props = res->client_properties;
348 me_cl->client_id = res->me_addr; 338 me_cl->client_id = res->me_addr;
349 me_cl->mei_flow_ctrl_creds = 0; 339 me_cl->mei_flow_ctrl_creds = 0;
@@ -484,6 +474,7 @@ static int mei_hbm_add_single_flow_creds(struct mei_device *dev,
484 struct hbm_flow_control *flow) 474 struct hbm_flow_control *flow)
485{ 475{
486 struct mei_me_client *me_cl; 476 struct mei_me_client *me_cl;
477 int rets;
487 478
488 me_cl = mei_me_cl_by_id(dev, flow->me_addr); 479 me_cl = mei_me_cl_by_id(dev, flow->me_addr);
489 if (!me_cl) { 480 if (!me_cl) {
@@ -492,14 +483,19 @@ static int mei_hbm_add_single_flow_creds(struct mei_device *dev,
492 return -ENOENT; 483 return -ENOENT;
493 } 484 }
494 485
495 if (WARN_ON(me_cl->props.single_recv_buf == 0)) 486 if (WARN_ON(me_cl->props.single_recv_buf == 0)) {
496 return -EINVAL; 487 rets = -EINVAL;
488 goto out;
489 }
497 490
498 me_cl->mei_flow_ctrl_creds++; 491 me_cl->mei_flow_ctrl_creds++;
499 dev_dbg(dev->dev, "recv flow ctrl msg ME %d (single) creds = %d.\n", 492 dev_dbg(dev->dev, "recv flow ctrl msg ME %d (single) creds = %d.\n",
500 flow->me_addr, me_cl->mei_flow_ctrl_creds); 493 flow->me_addr, me_cl->mei_flow_ctrl_creds);
501 494
502 return 0; 495 rets = 0;
496out:
497 mei_me_cl_put(me_cl);
498 return rets;
503} 499}
504 500
505/** 501/**