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Diffstat (limited to 'drivers/net/wireless/libertas')
-rw-r--r--drivers/net/wireless/libertas/cmd.c4
-rw-r--r--drivers/net/wireless/libertas/dev.h4
-rw-r--r--drivers/net/wireless/libertas/main.c21
3 files changed, 15 insertions, 14 deletions
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index b9b371bfa30f..42611bea76a3 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -1365,7 +1365,7 @@ static void lbs_send_confirmsleep(struct lbs_private *priv)
1365 priv->dnld_sent = DNLD_RES_RECEIVED; 1365 priv->dnld_sent = DNLD_RES_RECEIVED;
1366 1366
1367 /* If nothing to do, go back to sleep (?) */ 1367 /* If nothing to do, go back to sleep (?) */
1368 if (!__kfifo_len(priv->event_fifo) && !priv->resp_len[priv->resp_idx]) 1368 if (!kfifo_len(&priv->event_fifo) && !priv->resp_len[priv->resp_idx])
1369 priv->psstate = PS_STATE_SLEEP; 1369 priv->psstate = PS_STATE_SLEEP;
1370 1370
1371 spin_unlock_irqrestore(&priv->driver_lock, flags); 1371 spin_unlock_irqrestore(&priv->driver_lock, flags);
@@ -1439,7 +1439,7 @@ void lbs_ps_confirm_sleep(struct lbs_private *priv)
1439 } 1439 }
1440 1440
1441 /* Pending events or command responses? */ 1441 /* Pending events or command responses? */
1442 if (__kfifo_len(priv->event_fifo) || priv->resp_len[priv->resp_idx]) { 1442 if (kfifo_len(&priv->event_fifo) || priv->resp_len[priv->resp_idx]) {
1443 allowed = 0; 1443 allowed = 0;
1444 lbs_deb_host("pending events or command responses\n"); 1444 lbs_deb_host("pending events or command responses\n");
1445 } 1445 }
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index 6a8d2b291d8c..05bb298dfae9 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -10,7 +10,7 @@
10#include "scan.h" 10#include "scan.h"
11#include "assoc.h" 11#include "assoc.h"
12 12
13 13#include <linux/kfifo.h>
14 14
15/** sleep_params */ 15/** sleep_params */
16struct sleep_params { 16struct sleep_params {
@@ -120,7 +120,7 @@ struct lbs_private {
120 u32 resp_len[2]; 120 u32 resp_len[2];
121 121
122 /* Events sent from hardware to driver */ 122 /* Events sent from hardware to driver */
123 struct kfifo *event_fifo; 123 struct kfifo event_fifo;
124 124
125 /** thread to service interrupts */ 125 /** thread to service interrupts */
126 struct task_struct *main_thread; 126 struct task_struct *main_thread;
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index db38a5a719fa..c2975c8e2f21 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -459,7 +459,7 @@ static int lbs_thread(void *data)
459 else if (!list_empty(&priv->cmdpendingq) && 459 else if (!list_empty(&priv->cmdpendingq) &&
460 !(priv->wakeup_dev_required)) 460 !(priv->wakeup_dev_required))
461 shouldsleep = 0; /* We have a command to send */ 461 shouldsleep = 0; /* We have a command to send */
462 else if (__kfifo_len(priv->event_fifo)) 462 else if (kfifo_len(&priv->event_fifo))
463 shouldsleep = 0; /* We have an event to process */ 463 shouldsleep = 0; /* We have an event to process */
464 else 464 else
465 shouldsleep = 1; /* No command */ 465 shouldsleep = 1; /* No command */
@@ -511,10 +511,13 @@ static int lbs_thread(void *data)
511 511
512 /* Process hardware events, e.g. card removed, link lost */ 512 /* Process hardware events, e.g. card removed, link lost */
513 spin_lock_irq(&priv->driver_lock); 513 spin_lock_irq(&priv->driver_lock);
514 while (__kfifo_len(priv->event_fifo)) { 514 while (kfifo_len(&priv->event_fifo)) {
515 u32 event; 515 u32 event;
516 __kfifo_get(priv->event_fifo, (unsigned char *) &event, 516
517 sizeof(event)); 517 if (kfifo_out(&priv->event_fifo,
518 (unsigned char *) &event, sizeof(event)) !=
519 sizeof(event))
520 break;
518 spin_unlock_irq(&priv->driver_lock); 521 spin_unlock_irq(&priv->driver_lock);
519 lbs_process_event(priv, event); 522 lbs_process_event(priv, event);
520 spin_lock_irq(&priv->driver_lock); 523 spin_lock_irq(&priv->driver_lock);
@@ -883,10 +886,9 @@ static int lbs_init_adapter(struct lbs_private *priv)
883 priv->resp_len[0] = priv->resp_len[1] = 0; 886 priv->resp_len[0] = priv->resp_len[1] = 0;
884 887
885 /* Create the event FIFO */ 888 /* Create the event FIFO */
886 priv->event_fifo = kfifo_alloc(sizeof(u32) * 16, GFP_KERNEL, NULL); 889 ret = kfifo_alloc(&priv->event_fifo, sizeof(u32) * 16, GFP_KERNEL);
887 if (IS_ERR(priv->event_fifo)) { 890 if (ret) {
888 lbs_pr_err("Out of memory allocating event FIFO buffer\n"); 891 lbs_pr_err("Out of memory allocating event FIFO buffer\n");
889 ret = -ENOMEM;
890 goto out; 892 goto out;
891 } 893 }
892 894
@@ -901,8 +903,7 @@ static void lbs_free_adapter(struct lbs_private *priv)
901 lbs_deb_enter(LBS_DEB_MAIN); 903 lbs_deb_enter(LBS_DEB_MAIN);
902 904
903 lbs_free_cmd_buffer(priv); 905 lbs_free_cmd_buffer(priv);
904 if (priv->event_fifo) 906 kfifo_free(&priv->event_fifo);
905 kfifo_free(priv->event_fifo);
906 del_timer(&priv->command_timer); 907 del_timer(&priv->command_timer);
907 del_timer(&priv->auto_deepsleep_timer); 908 del_timer(&priv->auto_deepsleep_timer);
908 kfree(priv->networks); 909 kfree(priv->networks);
@@ -1177,7 +1178,7 @@ void lbs_queue_event(struct lbs_private *priv, u32 event)
1177 if (priv->psstate == PS_STATE_SLEEP) 1178 if (priv->psstate == PS_STATE_SLEEP)
1178 priv->psstate = PS_STATE_AWAKE; 1179 priv->psstate = PS_STATE_AWAKE;
1179 1180
1180 __kfifo_put(priv->event_fifo, (unsigned char *) &event, sizeof(u32)); 1181 kfifo_in(&priv->event_fifo, (unsigned char *) &event, sizeof(u32));
1181 1182
1182 wake_up_interruptible(&priv->waitq); 1183 wake_up_interruptible(&priv->waitq);
1183 1184