13 files changed, 55 insertions, 73 deletions

diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c
index 935b30d80adf..61f5bfe74f38 100644
--- a/drivers/char/nozomi.c
+++ b/drivers/char/nozomi.c
@@ -798,7 +798,7 @@ static int send_data(enum port_type index, struct nozomi *dc)
         struct tty_struct *tty = tty_port_tty_get(&port->port);
 
         /* Get data from tty and place in buf for now */
-        size = __kfifo_get(&port->fifo_ul, dc->send_buf,
+        size = kfifo_get(&port->fifo_ul, dc->send_buf,
                            ul_size < SEND_BUF_MAX ? ul_size : SEND_BUF_MAX);
 
         if (size == 0) {
@@ -988,11 +988,11 @@ static int receive_flow_control(struct nozomi *dc)
 
         } else if (old_ctrl.CTS == 0 && ctrl_dl.CTS == 1) {
 
-                if (__kfifo_len(&dc->port[port].fifo_ul)) {
+                if (kfifo_len(&dc->port[port].fifo_ul)) {
                         DBG1("Enable interrupt (0x%04X) on port: %d",
                                 enable_ier, port);
                         DBG1("Data in buffer [%d], enable transmit! ",
-                                __kfifo_len(&dc->port[port].fifo_ul));
+                                kfifo_len(&dc->port[port].fifo_ul));
                         enable_transmit_ul(port, dc);
                 } else {
                         DBG1("No data in buffer...");
@@ -1672,7 +1672,7 @@ static int ntty_write(struct tty_struct *tty, const unsigned char *buffer,
                 goto exit;
         }
 
-        rval = __kfifo_put(&port->fifo_ul, (unsigned char *)buffer, count);
+        rval = kfifo_put(&port->fifo_ul, (unsigned char *)buffer, count);
 
         /* notify card */
         if (unlikely(dc == NULL)) {
@@ -1720,7 +1720,7 @@ static int ntty_write_room(struct tty_struct *tty)
         if (!port->port.count)
                 goto exit;
 
-        room = port->fifo_ul.size - __kfifo_len(&port->fifo_ul);
+        room = port->fifo_ul.size - kfifo_len(&port->fifo_ul);
 
 exit:
         mutex_unlock(&port->tty_sem);
@@ -1877,7 +1877,7 @@ static s32 ntty_chars_in_buffer(struct tty_struct *tty)
                 goto exit_in_buffer;
         }
 
-        rval = __kfifo_len(&port->fifo_ul);
+        rval = kfifo_len(&port->fifo_ul);
 
 exit_in_buffer:
         return rval;
diff --git a/drivers/infiniband/hw/cxgb3/cxio_resource.c b/drivers/infiniband/hw/cxgb3/cxio_resource.c
index 98f24e6d906e..d7d18fb02c93 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_resource.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_resource.c
@@ -59,7 +59,7 @@ static int __cxio_init_resource_fifo(struct kfifo *fifo,
                 return -ENOMEM;
 
         for (i = 0; i < skip_low + skip_high; i++)
-                __kfifo_put(fifo, (unsigned char *) &entry, sizeof(u32));
+                kfifo_put(fifo, (unsigned char *) &entry, sizeof(u32));
         if (random) {
                 j = 0;
                 random_bytes = random32();
@@ -71,19 +71,19 @@ static int __cxio_init_resource_fifo(struct kfifo *fifo,
                                 random_bytes = random32();
                         }
                         idx = (random_bytes >> (j * 2)) & 0xF;
-                        __kfifo_put(fifo,
+                        kfifo_put(fifo,
                                 (unsigned char *) &rarray[idx],
                                 sizeof(u32));
                         rarray[idx] = i;
                         j++;
                 }
                 for (i = 0; i < RANDOM_SIZE; i++)
-                        __kfifo_put(fifo,
+                        kfifo_put(fifo,
                                 (unsigned char *) &rarray[i],
                                 sizeof(u32));
         } else
                 for (i = skip_low; i < nr - skip_high; i++)
-                        __kfifo_put(fifo, (unsigned char *) &i, sizeof(u32));
+                        kfifo_put(fifo, (unsigned char *) &i, sizeof(u32));
 
         for (i = 0; i < skip_low + skip_high; i++)
                 kfifo_get_locked(fifo, (unsigned char *) &entry,
@@ -119,7 +119,7 @@ static int cxio_init_qpid_fifo(struct cxio_rdev *rdev_p)
 
         for (i = 16; i < T3_MAX_NUM_QP; i++)
                 if (!(i & rdev_p->qpmask))
-                        __kfifo_put(&rdev_p->rscp->qpid_fifo,
+                        kfifo_put(&rdev_p->rscp->qpid_fifo,
                                     (unsigned char *) &i, sizeof(u32));
         return 0;
 }
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index ffed17f4f506..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)
         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/main.c b/drivers/net/wireless/libertas/main.c
index 2cc7ecd8d123..0622104f0a03 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 */
@@ -511,9 +511,9 @@ 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,
+                        kfifo_get(&priv->event_fifo, (unsigned char *) &event,
                                 sizeof(event));
                         spin_unlock_irq(&priv->driver_lock);
                         lbs_process_event(priv, event);
@@ -1175,7 +1175,7 @@ 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_put(&priv->event_fifo, (unsigned char *) &event, sizeof(u32));
 
         wake_up_interruptible(&priv->waitq);
 
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index 1538a0a3c0af..36e5dc6fc953 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -2107,7 +2107,7 @@ static int sonypi_misc_open(struct inode *inode, struct file *file)
         spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
 
         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
-                __kfifo_reset(&sonypi_compat.fifo);
+                kfifo_reset(&sonypi_compat.fifo);
 
         spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
 
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 1bccbc1e588e..5f0c46f43ee1 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -517,7 +517,7 @@ static void iscsi_free_task(struct iscsi_task *task)
         if (conn->login_task == task)
                 return;
 
-        __kfifo_put(&session->cmdpool.queue, (void*)&task, sizeof(void*));
+        kfifo_put(&session->cmdpool.queue, (void*)&task, sizeof(void*));
 
         if (sc) {
                 task->sc = NULL;
@@ -737,7 +737,7 @@ __iscsi_conn_send_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
                 BUG_ON(conn->c_stage == ISCSI_CONN_INITIAL_STAGE);
                 BUG_ON(conn->c_stage == ISCSI_CONN_STOPPED);
 
-                if (!__kfifo_get(&session->cmdpool.queue,
+                if (!kfifo_get(&session->cmdpool.queue,
                                  (void*)&task, sizeof(void*)))
                         return NULL;
         }
@@ -1567,7 +1567,7 @@ static inline struct iscsi_task *iscsi_alloc_task(struct iscsi_conn *conn,
 {
         struct iscsi_task *task;
 
-        if (!__kfifo_get(&conn->session->cmdpool.queue,
+        if (!kfifo_get(&conn->session->cmdpool.queue,
                          (void *) &task, sizeof(void *)))
                 return NULL;
 
@@ -2469,7 +2469,7 @@ iscsi_pool_init(struct iscsi_pool *q, int max, void ***items, int item_size)
                         q->max = i;
                         goto enomem;
                 }
-                __kfifo_put(&q->queue, (void*)&q->pool[i], sizeof(void*));
+                kfifo_put(&q->queue, (void*)&q->pool[i], sizeof(void*));
         }
 
         if (items) {
@@ -2819,7 +2819,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size,
 
         /* allocate login_task used for the login/text sequences */
         spin_lock_bh(&session->lock);
-        if (!__kfifo_get(&session->cmdpool.queue,
+        if (!kfifo_get(&session->cmdpool.queue,
                          (void*)&conn->login_task,
                          sizeof(void*))) {
                 spin_unlock_bh(&session->lock);
@@ -2839,7 +2839,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size,
         return cls_conn;
 
 login_task_data_alloc_fail:
-        __kfifo_put(&session->cmdpool.queue, (void*)&conn->login_task,
+        kfifo_put(&session->cmdpool.queue, (void*)&conn->login_task,
                     sizeof(void*));
 login_task_alloc_fail:
         iscsi_destroy_conn(cls_conn);
@@ -2902,7 +2902,7 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn)
         free_pages((unsigned long) conn->data,
                    get_order(ISCSI_DEF_MAX_RECV_SEG_LEN));
         kfree(conn->persistent_address);
-        __kfifo_put(&session->cmdpool.queue, (void*)&conn->login_task,
+        kfifo_put(&session->cmdpool.queue, (void*)&conn->login_task,
                     sizeof(void*));
         if (session->leadconn == conn)
                 session->leadconn = NULL;
diff --git a/drivers/scsi/libiscsi_tcp.c b/drivers/scsi/libiscsi_tcp.c
index 41643c860d26..c0be926637b1 100644
--- a/drivers/scsi/libiscsi_tcp.c
+++ b/drivers/scsi/libiscsi_tcp.c
@@ -445,15 +445,15 @@ void iscsi_tcp_cleanup_task(struct iscsi_task *task)
                 return;
 
         /* flush task's r2t queues */
-        while (__kfifo_get(&tcp_task->r2tqueue, (void*)&r2t, sizeof(void*))) {
-                __kfifo_put(&tcp_task->r2tpool.queue, (void*)&r2t,
+        while (kfifo_get(&tcp_task->r2tqueue, (void*)&r2t, sizeof(void*))) {
+                kfifo_put(&tcp_task->r2tpool.queue, (void*)&r2t,
                             sizeof(void*));
                 ISCSI_DBG_TCP(task->conn, "pending r2t dropped\n");
         }
 
         r2t = tcp_task->r2t;
         if (r2t != NULL) {
-                __kfifo_put(&tcp_task->r2tpool.queue, (void*)&r2t,
+                kfifo_put(&tcp_task->r2tpool.queue, (void*)&r2t,
                             sizeof(void*));
                 tcp_task->r2t = NULL;
         }
@@ -541,7 +541,7 @@ static int iscsi_tcp_r2t_rsp(struct iscsi_conn *conn, struct iscsi_task *task)
                 return 0;
         }
 
-        rc = __kfifo_get(&tcp_task->r2tpool.queue, (void*)&r2t, sizeof(void*));
+        rc = kfifo_get(&tcp_task->r2tpool.queue, (void*)&r2t, sizeof(void*));
         if (!rc) {
                 iscsi_conn_printk(KERN_ERR, conn, "Could not allocate R2T. "
                                   "Target has sent more R2Ts than it "
@@ -554,7 +554,7 @@ static int iscsi_tcp_r2t_rsp(struct iscsi_conn *conn, struct iscsi_task *task)
         if (r2t->data_length == 0) {
                 iscsi_conn_printk(KERN_ERR, conn,
                                   "invalid R2T with zero data len\n");
-                __kfifo_put(&tcp_task->r2tpool.queue, (void*)&r2t,
+                kfifo_put(&tcp_task->r2tpool.queue, (void*)&r2t,
                             sizeof(void*));
                 return ISCSI_ERR_DATALEN;
         }
@@ -570,7 +570,7 @@ static int iscsi_tcp_r2t_rsp(struct iscsi_conn *conn, struct iscsi_task *task)
                                   "invalid R2T with data len %u at offset %u "
                                   "and total length %d\n", r2t->data_length,
                                   r2t->data_offset, scsi_out(task->sc)->length);
-                __kfifo_put(&tcp_task->r2tpool.queue, (void*)&r2t,
+                kfifo_put(&tcp_task->r2tpool.queue, (void*)&r2t,
                             sizeof(void*));
                 return ISCSI_ERR_DATALEN;
         }
@@ -580,7 +580,7 @@ static int iscsi_tcp_r2t_rsp(struct iscsi_conn *conn, struct iscsi_task *task)
         r2t->sent = 0;
 
         tcp_task->exp_datasn = r2tsn + 1;
-        __kfifo_put(&tcp_task->r2tqueue, (void*)&r2t, sizeof(void*));
+        kfifo_put(&tcp_task->r2tqueue, (void*)&r2t, sizeof(void*));
         conn->r2t_pdus_cnt++;
 
         iscsi_requeue_task(task);
@@ -951,7 +951,7 @@ int iscsi_tcp_task_init(struct iscsi_task *task)
                 return conn->session->tt->init_pdu(task, 0, task->data_count);
         }
 
-        BUG_ON(__kfifo_len(&tcp_task->r2tqueue));
+        BUG_ON(kfifo_len(&tcp_task->r2tqueue));
         tcp_task->exp_datasn = 0;
 
         /* Prepare PDU, optionally w/ immediate data */
@@ -982,7 +982,7 @@ static struct iscsi_r2t_info *iscsi_tcp_get_curr_r2t(struct iscsi_task *task)
                         if (r2t->data_length <= r2t->sent) {
                                 ISCSI_DBG_TCP(task->conn,
                                               "  done with r2t %p\n", r2t);
-                                __kfifo_put(&tcp_task->r2tpool.queue,
+                                kfifo_put(&tcp_task->r2tpool.queue,
                                             (void *)&tcp_task->r2t,
                                             sizeof(void *));
                                 tcp_task->r2t = r2t = NULL;
@@ -990,7 +990,7 @@ static struct iscsi_r2t_info *iscsi_tcp_get_curr_r2t(struct iscsi_task *task)
                 }
 
                 if (r2t == NULL) {
-                        __kfifo_get(&tcp_task->r2tqueue,
+                        kfifo_get(&tcp_task->r2tqueue,
                                     (void *)&tcp_task->r2t, sizeof(void *));
                         r2t = tcp_task->r2t;
                 }
diff --git a/drivers/scsi/libsrp.c b/drivers/scsi/libsrp.c
index db1b41c55fd3..975e448cfcb9 100644
--- a/drivers/scsi/libsrp.c
+++ b/drivers/scsi/libsrp.c
@@ -61,7 +61,7 @@ static int srp_iu_pool_alloc(struct srp_queue *q, size_t max,
         kfifo_init(&q->queue, (void *) q->pool, max * sizeof(void *));
 
         for (i = 0, iue = q->items; i < max; i++) {
-                __kfifo_put(&q->queue, (void *) &iue, sizeof(void *));
+                kfifo_put(&q->queue, (void *) &iue, sizeof(void *));
                 iue->sbuf = ring[i];
                 iue++;
         }
diff --git a/drivers/usb/host/fhci.h b/drivers/usb/host/fhci.h
index a76da201183b..96aa787f208f 100644
--- a/drivers/usb/host/fhci.h
+++ b/drivers/usb/host/fhci.h
@@ -505,19 +505,19 @@ static inline void cq_delete(struct kfifo *kfifo)
 
 static inline unsigned int cq_howmany(struct kfifo *kfifo)
 {
-        return __kfifo_len(kfifo) / sizeof(void *);
+        return kfifo_len(kfifo) / sizeof(void *);
 }
 
 static inline int cq_put(struct kfifo *kfifo, void *p)
 {
-        return __kfifo_put(kfifo, (void *)&p, sizeof(p));
+        return kfifo_put(kfifo, (void *)&p, sizeof(p));
 }
 
 static inline void *cq_get(struct kfifo *kfifo)
 {
         void *p = NULL;
 
-        __kfifo_get(kfifo, (void *)&p, sizeof(p));
+        kfifo_get(kfifo, (void *)&p, sizeof(p));
         return p;
 }
 
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index 61eef18218be..d0a2e464cacd 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -276,7 +276,7 @@ static int usb_serial_generic_write_start(struct usb_serial_port *port)
         if (port->write_urb_busy)
                 start_io = false;
         else {
-                start_io = (__kfifo_len(port->write_fifo) != 0);
+                start_io = (kfifo_len(port->write_fifo) != 0);
                 port->write_urb_busy = start_io;
         }
         spin_unlock_irqrestore(&port->lock, flags);
@@ -370,7 +370,7 @@ int usb_serial_generic_write_room(struct tty_struct *tty)
                                 (serial->type->max_in_flight_urbs -
                                  port->urbs_in_flight);
         } else if (serial->num_bulk_out)
-                room = port->write_fifo->size - __kfifo_len(port->write_fifo);
+                room = port->write_fifo->size - kfifo_len(port->write_fifo);
         spin_unlock_irqrestore(&port->lock, flags);
 
         dbg("%s - returns %d", __func__, room);
diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h
index e0f5c9d4197d..a893acda3964 100644
--- a/include/linux/kfifo.h
+++ b/include/linux/kfifo.h
@@ -37,34 +37,25 @@ extern void kfifo_init(struct kfifo *fifo, unsigned char *buffer,
 extern __must_check int kfifo_alloc(struct kfifo *fifo, unsigned int size,
                         gfp_t gfp_mask);
 extern void kfifo_free(struct kfifo *fifo);
-extern unsigned int __kfifo_put(struct kfifo *fifo,
+extern unsigned int kfifo_put(struct kfifo *fifo,
                                 const unsigned char *buffer, unsigned int len);
-extern unsigned int __kfifo_get(struct kfifo *fifo,
+extern unsigned int kfifo_get(struct kfifo *fifo,
                                 unsigned char *buffer, unsigned int len);
 
 /**
- * __kfifo_reset - removes the entire FIFO contents, no locking version
- * @fifo: the fifo to be emptied.
- */
-static inline void __kfifo_reset(struct kfifo *fifo)
-{
-        fifo->in = fifo->out = 0;
-}
-
-/**
  * kfifo_reset - removes the entire FIFO contents
  * @fifo: the fifo to be emptied.
  */
 static inline void kfifo_reset(struct kfifo *fifo)
 {
-        __kfifo_reset(fifo);
+        fifo->in = fifo->out = 0;
 }
 
 /**
- * __kfifo_len - returns the number of bytes available in the FIFO
+ * kfifo_len - returns the number of used bytes in the FIFO
  * @fifo: the fifo to be used.
  */
-static inline unsigned int __kfifo_len(struct kfifo *fifo)
+static inline unsigned int kfifo_len(struct kfifo *fifo)
 {
         register unsigned int   out;
 
@@ -92,7 +83,7 @@ static inline __must_check unsigned int kfifo_put_locked(struct kfifo *fifo,
 
         spin_lock_irqsave(lock, flags);
 
-        ret = __kfifo_put(fifo, from, n);
+        ret = kfifo_put(fifo, from, n);
 
         spin_unlock_irqrestore(lock, flags);
 
@@ -117,7 +108,7 @@ static inline __must_check unsigned int kfifo_get_locked(struct kfifo *fifo,
 
         spin_lock_irqsave(lock, flags);
 
-        ret = __kfifo_get(fifo, to, n);
+        ret = kfifo_get(fifo, to, n);
 
         /*
          * optimization: if the FIFO is empty, set the indices to 0
@@ -131,13 +122,4 @@ static inline __must_check unsigned int kfifo_get_locked(struct kfifo *fifo,
         return ret;
 }
 
-/**
- * kfifo_len - returns the number of bytes available in the FIFO
- * @fifo: the fifo to be used.
- */
-static inline unsigned int kfifo_len(struct kfifo *fifo)
-{
-        return __kfifo_len(fifo);
-}
-
 #endif
diff --git a/kernel/kfifo.c b/kernel/kfifo.c
index 4950bdbe3477..963ffde4af1a 100644
--- a/kernel/kfifo.c
+++ b/kernel/kfifo.c
@@ -100,7 +100,7 @@ void kfifo_free(struct kfifo *fifo)
 EXPORT_SYMBOL(kfifo_free);
 
 /**
- * __kfifo_put - puts some data into the FIFO, no locking version
+ * kfifo_put - puts some data into the FIFO, no locking version
  * @fifo: the fifo to be used.
  * @buffer: the data to be added.
  * @len: the length of the data to be added.
@@ -112,7 +112,7 @@ EXPORT_SYMBOL(kfifo_free);
  * Note that with only one concurrent reader and one concurrent
  * writer, you don't need extra locking to use these functions.
  */
-unsigned int __kfifo_put(struct kfifo *fifo,
+unsigned int kfifo_put(struct kfifo *fifo,
                         const unsigned char *buffer, unsigned int len)
 {
         unsigned int l;
@@ -144,10 +144,10 @@ unsigned int __kfifo_put(struct kfifo *fifo,
 
         return len;
 }
-EXPORT_SYMBOL(__kfifo_put);
+EXPORT_SYMBOL(kfifo_put);
 
 /**
- * __kfifo_get - gets some data from the FIFO, no locking version
+ * kfifo_get - gets some data from the FIFO, no locking version
  * @fifo: the fifo to be used.
  * @buffer: where the data must be copied.
  * @len: the size of the destination buffer.
@@ -158,7 +158,7 @@ EXPORT_SYMBOL(__kfifo_put);
  * Note that with only one concurrent reader and one concurrent
  * writer, you don't need extra locking to use these functions.
  */
-unsigned int __kfifo_get(struct kfifo *fifo,
+unsigned int kfifo_get(struct kfifo *fifo,
                          unsigned char *buffer, unsigned int len)
 {
         unsigned int l;
@@ -190,4 +190,4 @@ unsigned int __kfifo_get(struct kfifo *fifo,
 
         return len;
 }
-EXPORT_SYMBOL(__kfifo_get);
+EXPORT_SYMBOL(kfifo_get);
diff --git a/net/dccp/probe.c b/net/dccp/probe.c
index c6b50351aa78..9ef36849edd7 100644
--- a/net/dccp/probe.c
+++ b/net/dccp/probe.c
@@ -131,7 +131,7 @@ static ssize_t dccpprobe_read(struct file *file, char __user *buf,
                 return -ENOMEM;
 
         error = wait_event_interruptible(dccpw.wait,
-                                         __kfifo_len(&dccpw.fifo) != 0);
+                                         kfifo_len(&dccpw.fifo) != 0);
         if (error)
                 goto out_free;