staging: csr: remove func_exit macro

this macro is used for debugging purposes,

it actually defined as

if (unifi_debug >= 5) {
	printk("unifi: <= %s\n", __FUNCTION__);
}

which produces too many of those prints if the unifi_debug is >=5.
remove these calls and the macro itself altogether

Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

18 files changed, 0 insertions, 200 deletions

diff --git a/drivers/staging/csr/csr_wifi_hip_card_sdio.c b/drivers/staging/csr/csr_wifi_hip_card_sdio.c
index e7819b1189e9..f025efd06795 100644
--- a/drivers/staging/csr/csr_wifi_hip_card_sdio.c
+++ b/drivers/staging/csr/csr_wifi_hip_card_sdio.c
@@ -146,7 +146,6 @@ card_t* unifi_alloc_card(CsrSdioFunction *sdio, void *ospriv)
         }
     }
 #endif
-    func_exit();
     return card;
 } /* unifi_alloc_card() */
 
@@ -196,7 +195,6 @@ CsrResult unifi_init_card(card_t *card, s32 led_mask)
         return r;
     }
 
-    func_exit();
     return CSR_RESULT_SUCCESS;
 }
 
@@ -389,8 +387,6 @@ CsrResult unifi_download(card_t *card, s32 led_mask)
     /* Free the firmware file information. */
     unifi_fw_read_stop(card->ospriv, dlpriv);
 
-    func_exit();
-
     return CSR_RESULT_SUCCESS;
 } /* unifi_download() */
 
@@ -474,8 +470,6 @@ static CsrResult unifi_hip_init(card_t *card)
         return r;
     }
 
-    func_exit();
-
     return CSR_RESULT_SUCCESS;
 } /* unifi_hip_init() */
 
@@ -967,7 +961,6 @@ static CsrResult card_hw_init(card_t *card)
      */
     unifi_read_panic(card);
 
-    func_exit();
     return CSR_RESULT_SUCCESS;
 } /* card_hw_init() */
 
@@ -1094,7 +1087,6 @@ static CsrResult card_wait_for_unifi_to_reset(card_t *card)
         r = CSR_RESULT_FAILURE;
     }
 
-    func_exit();
     return r;
 } /* card_wait_for_unifi_to_reset() */
 
@@ -1128,7 +1120,6 @@ static CsrResult card_wait_for_unifi_to_disable(card_t *card)
         unifi_error(card->ospriv,
                     "Function reset method not supported for chip_id=%d\n",
                     card->chip_id);
-        func_exit();
         return CSR_RESULT_FAILURE;
     }
 
@@ -1195,7 +1186,6 @@ static CsrResult card_wait_for_unifi_to_disable(card_t *card)
         r = CSR_RESULT_FAILURE;
     }
 
-    func_exit();
     return r;
 } /* card_wait_for_unifi_to_reset() */
 
@@ -1319,7 +1309,6 @@ CsrResult card_wait_for_firmware_to_start(card_t *card, u32 *paddr)
 
     *paddr = (((u32)mbox1 << 16) | mbox0);
 
-    func_exit();
     return CSR_RESULT_SUCCESS;
 } /* card_wait_for_firmware_to_start() */
 
@@ -1347,7 +1336,6 @@ CsrResult unifi_capture_panic(card_t *card)
      */
     if (!card->panic_data_phy_addr || !card->panic_data_mac_addr)
     {
-        func_exit();
         return CSR_RESULT_SUCCESS;
     }
 
@@ -1362,7 +1350,6 @@ CsrResult unifi_capture_panic(card_t *card)
         unifi_info(card->ospriv, "Unable to read panic codes");
     }
 
-    func_exit();
     return CSR_RESULT_SUCCESS;
 }
 
@@ -1562,7 +1549,6 @@ void unifi_read_panic(card_t *card)
         card->last_mac_panic_arg = p_arg;
     }
 
-    func_exit();
 }
 
 
@@ -1712,7 +1698,6 @@ static CsrResult card_allocate_memory_resources(card_t *card)
 
     card->memory_resources_allocated = 1;
 
-    func_exit();
     return CSR_RESULT_SUCCESS;
 } /* card_allocate_memory_resources() */
 
@@ -1787,7 +1772,6 @@ static void card_free_memory_resources(card_t *card)
 
     card->memory_resources_allocated = 0;
 
-    func_exit();
 } /* card_free_memory_resources() */
 
 
@@ -1811,7 +1795,6 @@ static void card_init_soft_queues(card_t *card)
 #ifndef CSR_WIFI_HIP_TA_DISABLE
     unifi_ta_sampling_init(card);
 #endif
-    func_exit();
 }
 
 
@@ -1899,7 +1882,6 @@ void unifi_cancel_pending_signals(card_t *card)
 
     card_init_soft_queues(card);
 
-    func_exit();
 } /* unifi_cancel_pending_signals() */
 
 
@@ -1938,7 +1920,6 @@ void unifi_free_card(card_t *card)
 
     kfree(card);
 
-    func_exit();
 } /* unifi_free_card() */
 
 
@@ -2051,7 +2032,6 @@ static CsrResult card_init_slots(card_t *card)
 
     card->dynamic_slot_data.packets_interval = UNIFI_PACKETS_INTERVAL;
 
-    func_exit();
     return CSR_RESULT_SUCCESS;
 } /* card_init_slots() */
 
@@ -2143,7 +2123,6 @@ static void CardReassignDynamicReservation(card_t *card)
     }
 
     card->dynamic_slot_data.total_packets_txed = 0;
-    func_exit();
 }
 
 
@@ -2180,7 +2159,6 @@ static void CardCheckDynamicReservation(card_t *card, unifi_TrafficQueue queue)
     if (q_len <= card->dynamic_slot_data.from_host_reserved_slots[queue])
     {
         unifi_trace(card->ospriv, UDBG5, "queue %d q_len %d already has that many reserved slots, exiting\n", queue, q_len);
-        func_exit();
         return;
     }
 
@@ -2278,7 +2256,6 @@ static void CardCheckDynamicReservation(card_t *card, unifi_TrafficQueue queue)
                     card->dynamic_slot_data.from_host_max_slots[i]);
     }
 
-    func_exit();
 }
 
 
@@ -2306,7 +2283,6 @@ void CardClearFromHostDataSlot(card_t *card, const s16 slot)
         unifi_warning(card->ospriv,
                       "Surprise: request to clear an already free FH data slot: %d\n",
                       slot);
-        func_exit();
         return;
     }
 
@@ -2342,7 +2318,6 @@ void CardClearFromHostDataSlot(card_t *card, const s16 slot)
 
     unifi_trace(card->ospriv, UDBG4, "CardClearFromHostDataSlot: slot %d recycled %p\n", slot, os_data_ptr);
 
-    func_exit();
 } /* CardClearFromHostDataSlot() */
 
 
@@ -2430,7 +2405,6 @@ u16 CardGetFreeFromHostDataSlots(card_t *card)
         }
     }
 
-    func_exit();
     return n;
 } /* CardGetFreeFromHostDataSlots() */
 
@@ -2490,7 +2464,6 @@ static CsrResult unifi_identify_hw(card_t *card)
                ChipHelper_MarketingName(card->helper),
                ChipHelper_FriendlyName(card->helper));
 
-    func_exit();
     return CSR_RESULT_SUCCESS;
 } /* unifi_identify_hw() */
 
@@ -2572,7 +2545,6 @@ static CsrResult unifi_prepare_hw(card_t *card)
         return r;
     }
 
-    func_exit();
     return CSR_RESULT_SUCCESS;
 } /* unifi_prepare_hw() */
 
@@ -2842,7 +2814,6 @@ static CsrResult card_reset_method_io_enable(card_t *card)
         unifi_warning(card->ospriv, "card_reset_method_io_enable failed to reset UniFi\n");
     }
 
-    func_exit();
     return r;
 } /* card_reset_method_io_enable() */
 
@@ -2894,7 +2865,6 @@ static CsrResult card_reset_method_dbg_reset(card_t *card)
     if (r != CSR_RESULT_SUCCESS)
     {
         unifi_error(card->ospriv, "Can't stop processors\n");
-        func_exit();
         return r;
     }
 
@@ -2930,7 +2900,6 @@ static CsrResult card_reset_method_dbg_reset(card_t *card)
         unifi_warning(card->ospriv, "card_reset_method_dbg_reset failed to reset UniFi\n");
     }
 
-    func_exit();
     return r;
 } /* card_reset_method_dbg_reset() */
 
@@ -2976,7 +2945,6 @@ CsrResult unifi_card_hard_reset(card_t *card)
     if (r != CSR_RESULT_SUCCESS)
     {
         unifi_error(card->ospriv, "unifi_card_hard_reset failed to identify h/w\n");
-        func_exit();
         return r;
     }
 
@@ -3006,7 +2974,6 @@ CsrResult unifi_card_hard_reset(card_t *card)
         }
         if (r == CSR_RESULT_SUCCESS)
         {
-            func_exit();
             return r;
         }
     }
@@ -3069,7 +3036,6 @@ CsrResult CardGenInt(card_t *card)
 
     card->unifi_interrupt_seq++;
 
-    func_exit();
     return CSR_RESULT_SUCCESS;
 } /* CardGenInt() */
 
@@ -3414,7 +3380,6 @@ CsrResult CardWriteBulkData(card_t *card, card_signal_t *csptr, unifi_TrafficQue
             {
                 unifi_trace(card->ospriv, UDBG5, "fh data slot %d: %d\n", i, card->from_host_data[i].bd.data_length);
             }
-            func_exit();
             return CSR_RESULT_FAILURE;
         }
     }
@@ -3467,8 +3432,6 @@ CsrResult CardWriteBulkData(card_t *card, card_signal_t *csptr, unifi_TrafficQue
         }
     }
 
-    func_exit();
-
     return CSR_RESULT_SUCCESS;
 } /*  CardWriteBulkData() */
 
diff --git a/drivers/staging/csr/csr_wifi_hip_download.c b/drivers/staging/csr/csr_wifi_hip_download.c
index b97af470f25d..4dcb151b897f 100644
--- a/drivers/staging/csr/csr_wifi_hip_download.c
+++ b/drivers/staging/csr/csr_wifi_hip_download.c
@@ -411,7 +411,6 @@ CsrResult unifi_dl_patch(card_t *card, void *dlpriv, u32 boot_ctrl)
     if (fwinfo == NULL)
     {
         unifi_error(card->ospriv, "Failed to allocate memory for patches\n");
-        func_exit();
         return CSR_WIFI_HIP_RESULT_NO_MEMORY;
     }
 
@@ -427,7 +426,6 @@ CsrResult unifi_dl_patch(card_t *card, void *dlpriv, u32 boot_ctrl)
     {
         kfree(fwinfo);
         unifi_error(card->ospriv, "Failed to read in patch file\n");
-        func_exit();
         return CSR_WIFI_HIP_RESULT_INVALID_VALUE;
     }
 
@@ -442,7 +440,6 @@ CsrResult unifi_dl_patch(card_t *card, void *dlpriv, u32 boot_ctrl)
                     card->build_id, fwinfo->build_id);
         kfree(fwinfo);
 #ifndef CSR_WIFI_IGNORE_PATCH_VERSION_MISMATCH
-        func_exit();
         return CSR_WIFI_HIP_RESULT_INVALID_VALUE;
 #else
         fwinfo = NULL;
diff --git a/drivers/staging/csr/csr_wifi_hip_dump.c b/drivers/staging/csr/csr_wifi_hip_dump.c
index cf33b63b20ef..c16715165b7c 100644
--- a/drivers/staging/csr/csr_wifi_hip_dump.c
+++ b/drivers/staging/csr/csr_wifi_hip_dump.c
@@ -774,7 +774,6 @@ CsrResult unifi_coredump_init(card_t *card, u16 num_dump_buffers)
 
 done:
 #endif
-    func_exit();
     return CSR_RESULT_SUCCESS;
 
 #ifndef UNIFI_DISABLE_COREDUMP
@@ -782,7 +781,6 @@ fail:
     /* Unwind what we allocated so far */
     unifi_error(ospriv, "Out of memory allocating core dump node %d\n", i);
     unifi_coredump_free(card);
-    func_exit();
     return CSR_WIFI_HIP_RESULT_NO_MEMORY;
 #endif
 } /* unifi_coreump_init() */
@@ -841,8 +839,6 @@ void unifi_coredump_free(card_t *card)
     card->dump_buf = NULL;
     card->dump_next_write = NULL;
     card->dump_cur_read = NULL;
-
-    func_exit();
 } /* unifi_coredump_free() */
 
 
diff --git a/drivers/staging/csr/csr_wifi_hip_send.c b/drivers/staging/csr/csr_wifi_hip_send.c
index 86aa23cefe30..76429e5e77cf 100644
--- a/drivers/staging/csr/csr_wifi_hip_send.c
+++ b/drivers/staging/csr/csr_wifi_hip_send.c
@@ -270,8 +270,6 @@ static CsrResult send_signal(card_t *card, const u8 *sigptr, u32 siglen,
         }
     }
 
-    func_exit();
-
     return CSR_RESULT_SUCCESS;
 } /*  send_signal() */
 
diff --git a/drivers/staging/csr/drv.c b/drivers/staging/csr/drv.c
index b301458142e2..a5e5d776747b 100644
--- a/drivers/staging/csr/drv.c
+++ b/drivers/staging/csr/drv.c
@@ -276,7 +276,6 @@ unifi_open(struct inode *inode, struct file *file)
     priv = uf_get_instance(devno);
     if (priv == NULL) {
         unifi_error(NULL, "unifi_open: No device present\n");
-        func_exit();
         return -ENODEV;
     }
 
@@ -288,7 +287,6 @@ unifi_open(struct inode *inode, struct file *file)
             /* Too many clients already using this device */
             unifi_error(priv, "Too many clients already open\n");
             uf_put_instance(devno);
-            func_exit();
             return -ENOSPC;
         }
         unifi_trace(priv, UDBG1, "Client is registered to /dev/unifiudi%d\n", devno);
@@ -308,7 +306,6 @@ unifi_open(struct inode *inode, struct file *file)
             uf_put_instance(devno);
 
             unifi_info(priv, "There is already a configuration client using the character device\n");
-            func_exit();
             return -EBUSY;
         }
 #endif /* CSR_SME_USERSPACE */
@@ -329,7 +326,6 @@ unifi_open(struct inode *inode, struct file *file)
             uf_put_instance(devno);
 
             unifi_error(priv, "Too many clients already open\n");
-            func_exit();
             return -ENOSPC;
         }
 
@@ -355,7 +351,6 @@ unifi_open(struct inode *inode, struct file *file)
      */
     file->private_data = udi_cli;
 
-    func_exit();
     return 0;
 } /* unifi_open() */
 
@@ -609,7 +604,6 @@ udi_send_signal_unpacked(unifi_priv_t *priv, unsigned char* data, uint data_len)
                 unifi_net_data_free(priv, &bulk_data.d[i]);
             }
         }
-        func_exit();
         return -EIO;
     }
 
@@ -660,7 +654,6 @@ udi_send_signal_raw(unifi_priv_t *priv, unsigned char *buf, int buflen)
     if ((signal_size <= 0) || (signal_size > buflen)) {
         unifi_error(priv, "udi_send_signal_raw - Couldn't find length of signal 0x%x\n",
                     sig_id);
-        func_exit();
         return -EINVAL;
     }
     unifi_trace(priv, UDBG2, "udi_send_signal_raw: signal 0x%.4X len:%d\n",
@@ -705,7 +698,6 @@ udi_send_signal_raw(unifi_priv_t *priv, unsigned char *buf, int buflen)
 
     if (bytecount > buflen) {
         unifi_error(priv, "udi_send_signal_raw: Not enough data (%d instead of %d)\n", buflen, bytecount);
-        func_exit();
         return -EINVAL;
     }
 
@@ -713,7 +705,6 @@ udi_send_signal_raw(unifi_priv_t *priv, unsigned char *buf, int buflen)
     r = ul_send_signal_raw(priv, buf, signal_size, &data_ptrs);
     if (r < 0) {
         unifi_error(priv, "udi_send_signal_raw: send failed (%d)\n", r);
-        func_exit();
         return -EIO;
     }
 
@@ -802,7 +793,6 @@ unifi_write(struct file *filp, const char *p, size_t len, loff_t *poff)
         csrResult = unifi_net_data_malloc(priv, &bulkdata.d[0], len);
         if (csrResult != CSR_RESULT_SUCCESS) {
             unifi_error(priv, "unifi_write: failed to allocate request_data.\n");
-            func_exit();
             return -ENOMEM;
         }
 
@@ -812,7 +802,6 @@ unifi_write(struct file *filp, const char *p, size_t len, loff_t *poff)
         if (copy_from_user((void*)user_data_buf, p, len)) {
             unifi_error(priv, "unifi_write: copy from user failed\n");
             unifi_net_data_free(priv, &bulkdata.d[0]);
-            func_exit();
             return -EFAULT;
         }
 
@@ -828,7 +817,6 @@ unifi_write(struct file *filp, const char *p, size_t len, loff_t *poff)
             unifi_error(priv, "unifi_write - Couldn't find length of signal 0x%x\n",
                         sig_id);
             unifi_net_data_free(priv, &bulkdata.d[0]);
-            func_exit();
             return -EINVAL;
         }
 
@@ -839,7 +827,6 @@ unifi_write(struct file *filp, const char *p, size_t len, loff_t *poff)
         signal_buf = kmalloc(signal_size, GFP_KERNEL);
         if (!signal_buf) {
             unifi_net_data_free(priv, &bulkdata.d[0]);
-            func_exit();
             return -ENOMEM;
         }
 
@@ -1655,8 +1642,6 @@ unifi_poll(struct file *filp, poll_table *wait)
         mask |= POLLIN | POLLRDNORM;    /* readable */
     }
 
-    func_exit();
-
     return mask;
 } /* unifi_poll() */
 
@@ -1887,7 +1872,6 @@ udi_log_event(ul_client_t *pcli,
     if (down_interruptible(&pcli->udi_sem)) {
         printk(KERN_WARNING "udi_log_event_q: Failed to get udi sem\n");
         kfree(logptr);
-        func_exit();
         return;
     }
     list_add_tail(&logptr->q, &pcli->udi_log);
@@ -1896,7 +1880,6 @@ udi_log_event(ul_client_t *pcli,
     /* Wake any waiting user process */
     wake_up_interruptible(&pcli->udi_wq);
 
-    func_exit();
 } /* udi_log_event() */
 
 #ifdef CSR_SME_USERSPACE
@@ -1952,8 +1935,6 @@ uf_sme_queue_message(unifi_priv_t *priv, u8 *buffer, int length)
     /* It is our responsibility to free the buffer allocated in build_packed_*() */
     kfree(buffer);
 
-    func_exit();
-
     return 0;
 
 } /* uf_sme_queue_message() */
diff --git a/drivers/staging/csr/firmware.c b/drivers/staging/csr/firmware.c
index 881acc90e532..1d1c10392ad1 100644
--- a/drivers/staging/csr/firmware.c
+++ b/drivers/staging/csr/firmware.c
@@ -70,7 +70,6 @@ unifi_fw_read_start(void *ospriv, s8 is_fw, const card_info_t *info)
         }
         /* Set up callback struct for readfunc() */
         if (priv->fw_sta.dl_data != NULL) {
-            func_exit();
             return &priv->fw_sta;
         }
 
@@ -78,7 +77,6 @@ unifi_fw_read_start(void *ospriv, s8 is_fw, const card_info_t *info)
         unifi_error(priv, "downloading firmware... unknown request: %d\n", is_fw);
     }
 
-    func_exit();
     return NULL;
 } /* unifi_fw_read_start() */
 
@@ -112,7 +110,6 @@ unifi_fw_read_stop(void *ospriv, void *dlpriv)
         uf_release_firmware(priv, dl_struct);
     }
 
-    func_exit();
 } /* unifi_fw_read_stop() */
 
 
@@ -142,14 +139,12 @@ unifi_fw_open_buffer(void *ospriv, void *fwbuf, u32 len)
     unifi_priv_t *priv = (unifi_priv_t*)ospriv;
 
     if (fwbuf == NULL) {
-        func_exit();
         return NULL;
     }
     priv->fw_conv.dl_data = fwbuf;
     priv->fw_conv.dl_len = len;
     priv->fw_conv.fw_desc = NULL;   /* No OS f/w resource is associated */
 
-    func_exit();
     return &priv->fw_conv;
 }
 
diff --git a/drivers/staging/csr/io.c b/drivers/staging/csr/io.c
index 95d052648740..0f40b00ad4d4 100644
--- a/drivers/staging/csr/io.c
+++ b/drivers/staging/csr/io.c
@@ -104,11 +104,9 @@ static CsrResult signal_buffer_init(unifi_priv_t * priv, int size)
                  kfree(priv->rxSignalBuffer.rx_buff[j].bufptr);
                  priv->rxSignalBuffer.rx_buff[j].bufptr = NULL;
              }
-             func_exit();
              return -1;
          }
     }
-    func_exit();
     return 0;
 }
 
@@ -411,7 +409,6 @@ register_unifi_sdio(CsrSdioFunction *sdio_dev, int bus_id, struct device *dev)
 
     up(&Unifi_instance_mutex);
 
-    func_exit();
     return priv;
 
 failed4:
@@ -445,7 +442,6 @@ failed0:
 
     up(&Unifi_instance_mutex);
 
-    func_exit();
     return NULL;
 } /* register_unifi_sdio() */
 
@@ -481,8 +477,6 @@ ask_unifi_sdio_cleanup(unifi_priv_t *priv)
     unifi_trace(NULL, UDBG5, "ask_unifi_sdio_cleanup: wake up cleanup workqueue.\n");
     wake_up(&Unifi_cleanup_wq);
 
-    func_exit();
-
 } /* ask_unifi_sdio_cleanup() */
 
 
@@ -597,8 +591,6 @@ cleanup_unifi_sdio(unifi_priv_t *priv)
 
     unifi_trace(NULL, UDBG5, "cleanup_unifi_sdio: DONE.\n");
 
-    func_exit();
-
 } /* cleanup_unifi_sdio() */
 
 
@@ -632,7 +624,6 @@ unregister_unifi_sdio(int bus_id)
     if (priv == NULL) {
         unifi_error(priv, "unregister_unifi_sdio: device %d is not registered\n",
                 bus_id);
-        func_exit();
         return;
     }
 
diff --git a/drivers/staging/csr/mlme.c b/drivers/staging/csr/mlme.c
index 723ecb378596..861d6b7687c7 100644
--- a/drivers/staging/csr/mlme.c
+++ b/drivers/staging/csr/mlme.c
@@ -197,7 +197,6 @@ unifi_mlme_blocking_request(unifi_priv_t *priv, ul_client_t *pcli,
         return r;
     }
 
-    func_exit();
     return 0;
 } /* unifi_mlme_blocking_request() */
 
diff --git a/drivers/staging/csr/monitor.c b/drivers/staging/csr/monitor.c
index 60d52f9e8c3c..c8e20e4c6111 100644
--- a/drivers/staging/csr/monitor.c
+++ b/drivers/staging/csr/monitor.c
@@ -202,7 +202,6 @@ netrx_radiotap(unifi_priv_t *priv,
     priv->stats.rx_packets++;
     priv->stats.rx_bytes += ind_data_len;
 
-    func_exit();
 } /* netrx_radiotap() */
 #endif /* RADIOTAP */
 
@@ -314,7 +313,6 @@ netrx_prism(unifi_priv_t *priv,
     priv->stats.rx_packets++;
     priv->stats.rx_bytes += ind_data_len;
 
-    func_exit();
 } /* netrx_prism() */
 #endif /* PRISM */
 
@@ -348,7 +346,6 @@ ma_sniffdata_ind(void *ospriv,
 
     if (bulkdata->d[0].data_length == 0) {
         unifi_warning(priv, "rx: MA-SNIFFDATA indication with zero bulk data\n");
-        func_exit();
         return;
     }
 
diff --git a/drivers/staging/csr/netdev.c b/drivers/staging/csr/netdev.c
index ca9cc31f116b..2d4a4e622212 100644
--- a/drivers/staging/csr/netdev.c
+++ b/drivers/staging/csr/netdev.c
@@ -551,7 +551,6 @@ uf_free_netdevice(unifi_priv_t *priv)
         }
     }
 
-    func_exit();
     return 0;
 } /* uf_free_netdevice() */
 
@@ -610,7 +609,6 @@ uf_net_open(struct net_device *dev)
 
     netif_tx_start_all_queues(dev);
 
-    func_exit();
     return 0;
 } /* uf_net_open() */
 
@@ -636,7 +634,6 @@ uf_net_stop(struct net_device *dev)
 
     netif_tx_stop_all_queues(dev);
 
-    func_exit();
     return 0;
 } /* uf_net_stop() */
 
@@ -711,7 +708,6 @@ static CSR_PRIORITY uf_get_packet_priority(unifi_priv_t *priv, netInterface_priv
 
     unifi_trace(priv, UDBG5, "Packet priority = %d\n", priority);
 
-    func_exit();
     return priority;
 }
 
@@ -776,7 +772,6 @@ get_packet_priority(unifi_priv_t *priv, struct sk_buff *skb, const struct ethhdr
     }
     unifi_trace(priv, UDBG5, "priority = %x\n", priority);
 
-    func_exit();
     return priority;
 }
 
@@ -822,7 +817,6 @@ uf_net_select_queue(struct net_device *dev, struct sk_buff *skb)
     }
 
 
-    func_exit();
     return (u16)queue;
 } /* uf_net_select_queue() */
 
@@ -1789,7 +1783,6 @@ uf_net_xmit(struct sk_buff *skb, struct net_device *dev)
         interfacePriv->stats.tx_dropped++;
         kfree_skb(skb);
 
-        func_exit();
         return NETDEV_TX_OK;
     }
 
@@ -1832,7 +1825,6 @@ uf_net_xmit(struct sk_buff *skb, struct net_device *dev)
 
     /* The skb will have been freed by send_XXX_request() */
 
-    func_exit();
     return result;
 } /* uf_net_xmit() */
 
@@ -1880,7 +1872,6 @@ unifi_pause_xmit(void *ospriv, unifi_TrafficQueue queue)
         unifi_error(priv, "Start buffering %d defaulting to 0\n", queue);
      }
 #endif
-    func_exit();
 
 } /* unifi_pause_xmit() */
 
@@ -1909,7 +1900,6 @@ unifi_restart_xmit(void *ospriv, unifi_TrafficQueue queue)
         uf_send_buffered_frames(priv,0);
     }
 #endif
-    func_exit();
 } /* unifi_restart_xmit() */
 
 
@@ -1945,7 +1935,6 @@ indicate_rx_skb(unifi_priv_t *priv, u16 ifTag, u8* dst_a, u8* src_a, struct sk_b
         priv->interfacePriv[ifTag]->stats.rx_frame_errors++;
         unifi_net_data_free(priv, &bulkdata->d[0]);
         unifi_notice(priv, "indicate_rx_skb: Discard unknown frame.\n");
-        func_exit();
         return;
     }
 
@@ -1957,7 +1946,6 @@ indicate_rx_skb(unifi_priv_t *priv, u16 ifTag, u8* dst_a, u8* src_a, struct sk_b
         unifi_net_data_free(priv, &bulkdata->d[0]);
         unifi_trace(priv, UDBG5, "indicate_rx_skb: Data given to subscription"
                 "API, not being given to kernel\n");
-        func_exit();
         return;
     }
 
@@ -1980,7 +1968,6 @@ indicate_rx_skb(unifi_priv_t *priv, u16 ifTag, u8* dst_a, u8* src_a, struct sk_b
         priv->interfacePriv[ifTag]->stats.rx_errors++;
         priv->interfacePriv[ifTag]->stats.rx_length_errors++;
         unifi_net_data_free(priv, &bulkdata->d[0]);
-        func_exit();
         return;
     }
 
@@ -2007,7 +1994,6 @@ indicate_rx_skb(unifi_priv_t *priv, u16 ifTag, u8* dst_a, u8* src_a, struct sk_b
     priv->interfacePriv[ifTag]->stats.rx_packets++;
     priv->interfacePriv[ifTag]->stats.rx_bytes += bulkdata->d[0].data_length;
 
-    func_exit();
     return;
 }
 
@@ -2168,7 +2154,6 @@ unifi_rx(unifi_priv_t *priv, CSR_SIGNAL *signal, bulk_data_param_t *bulkdata)
     {
         unifi_error(priv, "%s: MA-PACKET indication with bad interfaceTag %d\n", __FUNCTION__, interfaceTag);
         unifi_net_data_free(priv,&bulkdata->d[0]);
-        func_exit();
         return;
     }
 
@@ -2177,14 +2162,12 @@ unifi_rx(unifi_priv_t *priv, CSR_SIGNAL *signal, bulk_data_param_t *bulkdata)
     {
         unifi_error(priv, "%s: MA-PACKET indication with unallocated interfaceTag %d\n", __FUNCTION__, interfaceTag);
         unifi_net_data_free(priv, &bulkdata->d[0]);
-        func_exit();
         return;
     }
 
     if (bulkdata->d[0].data_length == 0) {
         unifi_warning(priv, "%s: MA-PACKET indication with zero bulk data\n", __FUNCTION__);
         unifi_net_data_free(priv,&bulkdata->d[0]);
-        func_exit();
         return;
     }
 
@@ -2306,7 +2289,6 @@ unifi_rx(unifi_priv_t *priv, CSR_SIGNAL *signal, bulk_data_param_t *bulkdata)
             sa[0], sa[1],sa[2], sa[3], sa[4],sa[5]);
             CsrWifiRouterCtrlUnexpectedFrameIndSend(priv->CSR_WIFI_SME_IFACEQUEUE,0,interfaceTag,peerMacAddress);
             unifi_net_data_free(priv, &bulkdata->d[0]);
-            func_exit();
             return;
         }
 
@@ -2323,7 +2305,6 @@ unifi_rx(unifi_priv_t *priv, CSR_SIGNAL *signal, bulk_data_param_t *bulkdata)
             unifi_net_data_free(priv, &bulkdata->d[0]);
             unifi_notice(priv, "%s: Dropping packet, proto=0x%04x, %s port\n", __FUNCTION__,
                          proto, queue ? "Controlled" : "Un-controlled");
-            func_exit();
             return;
         }
 
@@ -2331,7 +2312,6 @@ unifi_rx(unifi_priv_t *priv, CSR_SIGNAL *signal, bulk_data_param_t *bulkdata)
         if((dataFrameType == QOS_DATA_NULL) || (dataFrameType == DATA_NULL)){
             unifi_trace(priv, UDBG5, "%s: Null Frame Received and Freed\n", __FUNCTION__);
             unifi_net_data_free(priv, &bulkdata->d[0]);
-            func_exit();
             return;
         }
 
@@ -2346,7 +2326,6 @@ unifi_rx(unifi_priv_t *priv, CSR_SIGNAL *signal, bulk_data_param_t *bulkdata)
              bulkdata,
              macHeaderLengthInBytes)))
         {
-            func_exit();
             return;
         }
         unifi_trace(priv, UDBG5, "unifi_rx: no specific AP handling process as normal frame, MAC Header len %d\n",macHeaderLengthInBytes);
@@ -2369,7 +2348,6 @@ unifi_rx(unifi_priv_t *priv, CSR_SIGNAL *signal, bulk_data_param_t *bulkdata)
             unifi_trace(priv, UDBG1, "Zero length frame, but not null-data %04x\n", frameControl);
         }
         unifi_net_data_free(priv, &bulkdata->d[0]);
-        func_exit();
         return;
     }
 
@@ -2379,7 +2357,6 @@ unifi_rx(unifi_priv_t *priv, CSR_SIGNAL *signal, bulk_data_param_t *bulkdata)
         unifi_net_data_free(priv, &bulkdata->d[0]);
         unifi_notice(priv, "%s: Dropping packet, proto=0x%04x, %s port\n",
                      __FUNCTION__, proto, queue ? "controlled" : "uncontrolled");
-        func_exit();
         return;
     } else if ( (port_action == CSR_WIFI_ROUTER_CTRL_PORT_ACTION_8021X_PORT_CLOSED_BLOCK) ||
                    (interfacePriv->connected != UnifiConnected) ) {
@@ -2395,7 +2372,6 @@ unifi_rx(unifi_priv_t *priv, CSR_SIGNAL *signal, bulk_data_param_t *bulkdata)
                         __FUNCTION__, sizeof(rx_buffered_packets_t));
             interfacePriv->stats.rx_dropped++;
             unifi_net_data_free(priv, &bulkdata->d[0]);
-            func_exit();
             return;
         }
 
@@ -2419,15 +2395,12 @@ unifi_rx(unifi_priv_t *priv, CSR_SIGNAL *signal, bulk_data_param_t *bulkdata)
         list_add_tail(&rx_q_item->q, rx_list);
         up(&priv->rx_q_sem);
 
-        func_exit();
         return;
 
     }
 
     indicate_rx_skb(priv, interfaceTag, da, sa, skb, signal, bulkdata);
 
-    func_exit();
-
 } /* unifi_rx() */
 
 static void process_ma_packet_cfm(unifi_priv_t *priv, CSR_SIGNAL *signal, bulk_data_param_t *bulkdata)
@@ -2443,7 +2416,6 @@ static void process_ma_packet_cfm(unifi_priv_t *priv, CSR_SIGNAL *signal, bulk_d
     if (interfaceTag >= CSR_WIFI_NUM_INTERFACES)
     {
         unifi_error(priv, "%s: MA-PACKET confirm with bad interfaceTag %d\n", __FUNCTION__, interfaceTag);
-        func_exit();
         return;
     }
 #ifdef CSR_SUPPORT_SME
@@ -2466,7 +2438,6 @@ static void process_ma_packet_cfm(unifi_priv_t *priv, CSR_SIGNAL *signal, bulk_d
         interfacePriv->m4_hostTag = 0xffffffff;
     }
 #endif
-    func_exit();
     return;
 }
 
@@ -2516,7 +2487,6 @@ static void process_ma_packet_ind(unifi_priv_t *priv, CSR_SIGNAL *signal, bulk_d
     {
         unifi_error(priv, "%s: MA-PACKET indication with bad interfaceTag %d\n", __FUNCTION__, interfaceTag);
         unifi_net_data_free(priv,&bulkdata->d[0]);
-        func_exit();
         return;
     }
 
@@ -2525,14 +2495,12 @@ static void process_ma_packet_ind(unifi_priv_t *priv, CSR_SIGNAL *signal, bulk_d
     {
         unifi_error(priv, "%s: MA-PACKET indication with unallocated interfaceTag %d\n", __FUNCTION__, interfaceTag);
         unifi_net_data_free(priv, &bulkdata->d[0]);
-        func_exit();
         return;
     }
 
     if (bulkdata->d[0].data_length == 0) {
         unifi_warning(priv, "%s: MA-PACKET indication with zero bulk data\n", __FUNCTION__);
         unifi_net_data_free(priv,&bulkdata->d[0]);
-        func_exit();
         return;
     }
     /* For monitor mode we need to pass this indication to the registered application
@@ -2542,7 +2510,6 @@ static void process_ma_packet_ind(unifi_priv_t *priv, CSR_SIGNAL *signal, bulk_d
     {
         unifi_warning(priv, "%s: MA-PACKET indication with status = %d\n",__FUNCTION__, pkt_ind->ReceptionStatus);
         unifi_net_data_free(priv,&bulkdata->d[0]);
-        func_exit();
         return;
     }
 
@@ -2590,13 +2557,11 @@ static void process_ma_packet_ind(unifi_priv_t *priv, CSR_SIGNAL *signal, bulk_d
         }
 #endif
         unifi_net_data_free(priv,&bulkdata->d[0]);
-        func_exit();
         return;
     }
     if(frameType != IEEE802_11_FRAMETYPE_DATA) {
         unifi_warning(priv, "%s: Non control Non Data frame is received\n",__FUNCTION__);
         unifi_net_data_free(priv,&bulkdata->d[0]);
-        func_exit();
         return;
     }
 
@@ -2614,7 +2579,6 @@ static void process_ma_packet_ind(unifi_priv_t *priv, CSR_SIGNAL *signal, bulk_d
             sa[0], sa[1],sa[2], sa[3], sa[4],sa[5]);
             CsrWifiRouterCtrlUnexpectedFrameIndSend(priv->CSR_WIFI_SME_IFACEQUEUE,0,interfaceTag,peerMacAddress);
             unifi_net_data_free(priv, &bulkdata->d[0]);
-            func_exit();
             return;
         }
 
@@ -2720,7 +2684,6 @@ static void process_ma_packet_ind(unifi_priv_t *priv, CSR_SIGNAL *signal, bulk_d
     up(&priv->ba_mutex);
     process_b