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path: root/drivers/net/wireless
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Diffstat (limited to 'drivers/net/wireless')
-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 b9b371bfa30..42611bea76a 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)
priv->dnld_sent = DNLD_RES_RECEIVED;
/* If nothing to do, go back to sleep (?) */
- if (!__kfifo_len(priv->event_fifo) && !priv->resp_len[priv->resp_idx])
+ if (!kfifo_len(&priv->event_fifo) && !priv->resp_len[priv->resp_idx])
priv->psstate = PS_STATE_SLEEP;
spin_unlock_irqrestore(&priv->driver_lock, flags);
@@ -1439,7 +1439,7 @@ void lbs_ps_confirm_sleep(struct lbs_private *priv)
}
/* Pending events or command responses? */
- if (__kfifo_len(priv->event_fifo) || priv->resp_len[priv->resp_idx]) {
+ if (kfifo_len(&priv->event_fifo) || priv->resp_len[priv->resp_idx]) {
allowed = 0;
lbs_deb_host("pending events or command responses\n");
}
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index 6a8d2b291d8..05bb298dfae 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -10,7 +10,7 @@
#include "scan.h"
#include "assoc.h"
-
+#include <linux/kfifo.h>
/** sleep_params */
struct sleep_params {
@@ -120,7 +120,7 @@ struct lbs_private {
u32 resp_len[2];
/* Events sent from hardware to driver */
- struct kfifo *event_fifo;
+ struct kfifo event_fifo;
/** thread to service interrupts */
struct task_struct *main_thread;
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index db38a5a719f..c2975c8e2f2 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)
else if (!list_empty(&priv->cmdpendingq) &&
!(priv->wakeup_dev_required))
shouldsleep = 0; /* We have a command to send */
- else if (__kfifo_len(priv->event_fifo))
+ else if (kfifo_len(&priv->event_fifo))
shouldsleep = 0; /* We have an event to process */
else
shouldsleep = 1; /* No command */
@@ -511,10 +511,13 @@ static int lbs_thread(void *data)
/* Process hardware events, e.g. card removed, link lost */
spin_lock_irq(&priv->driver_lock);
- while (__kfifo_len(priv->event_fifo)) {
+ while (kfifo_len(&priv->event_fifo)) {
u32 event;
- __kfifo_get(priv->event_fifo, (unsigned char *) &event,
- sizeof(event));
+
+ if (kfifo_out(&priv->event_fifo,
+ (unsigned char *) &event, sizeof(event)) !=
+ sizeof(event))
+ break;
spin_unlock_irq(&priv->driver_lock);
lbs_process_event(priv, event);
spin_lock_irq(&priv->driver_lock);
@@ -883,10 +886,9 @@ static int lbs_init_adapter(struct lbs_private *priv)
priv->resp_len[0] = priv->resp_len[1] = 0;
/* Create the event FIFO */
- priv->event_fifo = kfifo_alloc(sizeof(u32) * 16, GFP_KERNEL, NULL);
- if (IS_ERR(priv->event_fifo)) {
+ ret = kfifo_alloc(&priv->event_fifo, sizeof(u32) * 16, GFP_KERNEL);
+ if (ret) {
lbs_pr_err("Out of memory allocating event FIFO buffer\n");
- ret = -ENOMEM;
goto out;
}
@@ -901,8 +903,7 @@ static void lbs_free_adapter(struct lbs_private *priv)
lbs_deb_enter(LBS_DEB_MAIN);
lbs_free_cmd_buffer(priv);
- if (priv->event_fifo)
- kfifo_free(priv->event_fifo);
+ kfifo_free(&priv->event_fifo);
del_timer(&priv->command_timer);
del_timer(&priv->auto_deepsleep_timer);
kfree(priv->networks);
@@ -1177,7 +1178,7 @@ void lbs_queue_event(struct lbs_private *priv, u32 event)
if (priv->psstate == PS_STATE_SLEEP)
priv->psstate = PS_STATE_AWAKE;
- __kfifo_put(priv->event_fifo, (unsigned char *) &event, sizeof(u32));
+ kfifo_in(&priv->event_fifo, (unsigned char *) &event, sizeof(u32));
wake_up_interruptible(&priv->waitq);