Staging: bcm: Alter code to move error handling closer to the calls.
This is a cleanup patch. I've shuffled the code around to
move the error handling closer to the calls. I've removed
some indent levels. I've replaced break statements with
direct returns.
Signed-off-by: Kevin McKinney <klmckinney1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/bcm/Bcmchar.c b/drivers/staging/bcm/Bcmchar.c
index e6b20c8..3b7c150 100644
--- a/drivers/staging/bcm/Bcmchar.c
+++ b/drivers/staging/bcm/Bcmchar.c
@@ -765,27 +765,26 @@
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
"Starting the firmware download PID =0x%x!!!!\n", current->pid);
- if (!down_trylock(&Adapter->fw_download_sema)) {
- Adapter->bBinDownloaded = FALSE;
- Adapter->fw_download_process_pid = current->pid;
- Adapter->bCfgDownloaded = FALSE;
- Adapter->fw_download_done = FALSE;
- netif_carrier_off(Adapter->dev);
- netif_stop_queue(Adapter->dev);
- Status = reset_card_proc(Adapter);
- if (Status) {
- pr_err(PFX "%s: reset_card_proc Failed!\n", Adapter->dev->name);
- up(&Adapter->fw_download_sema);
- up(&Adapter->NVMRdmWrmLock);
- break;
- }
- mdelay(10);
- } else {
- Status = -EBUSY;
+ if (down_trylock(&Adapter->fw_download_sema))
+ return -EBUSY;
+
+ Adapter->bBinDownloaded = FALSE;
+ Adapter->fw_download_process_pid = current->pid;
+ Adapter->bCfgDownloaded = FALSE;
+ Adapter->fw_download_done = FALSE;
+ netif_carrier_off(Adapter->dev);
+ netif_stop_queue(Adapter->dev);
+ Status = reset_card_proc(Adapter);
+ if (Status) {
+ pr_err(PFX "%s: reset_card_proc Failed!\n", Adapter->dev->name);
+ up(&Adapter->fw_download_sema);
+ up(&Adapter->NVMRdmWrmLock);
+ return Status;
}
+ mdelay(10);
up(&Adapter->NVMRdmWrmLock);
- break;
+ return Status;
}
case IOCTL_BCM_BUFFER_DOWNLOAD: {
@@ -797,7 +796,7 @@
"Invalid way to download buffer. Use Start and then call this!!!\n");
up(&Adapter->fw_download_sema);
Status = -EINVAL;
- break;
+ return Status;
}
/* Copy Ioctl Buffer structure */
@@ -832,7 +831,7 @@
psFwInfo->u32FirmwareLength);
up(&Adapter->fw_download_sema);
Status = -EINVAL;
- break;
+ return Status;
}
Status = bcm_ioctl_fw_download(Adapter, psFwInfo);
@@ -857,7 +856,7 @@
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, OSAL_DBG, DBG_LVL_ALL, "IOCTL: Firmware File Uploaded\n");
kfree(psFwInfo);
- break;
+ return Status;
}
case IOCTL_BCM_BUFFER_DOWNLOAD_STOP: {
@@ -868,59 +867,60 @@
return -EACCES;
}
- if (down_trylock(&Adapter->fw_download_sema)) {
- Adapter->bBinDownloaded = TRUE;
- Adapter->bCfgDownloaded = TRUE;
- atomic_set(&Adapter->CurrNumFreeTxDesc, 0);
- Adapter->CurrNumRecvDescs = 0;
- Adapter->downloadDDR = 0;
-
- /* setting the Mips to Run */
- Status = run_card_proc(Adapter);
-
- if (Status) {
- BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Firm Download Failed\n");
- up(&Adapter->fw_download_sema);
- up(&Adapter->NVMRdmWrmLock);
- break;
- } else {
- BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
- DBG_LVL_ALL, "Firm Download Over...\n");
- }
-
- mdelay(10);
-
- /* Wait for MailBox Interrupt */
- if (StartInterruptUrb((PS_INTERFACE_ADAPTER)Adapter->pvInterfaceAdapter))
- BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Unable to send interrupt...\n");
-
- timeout = 5*HZ;
- Adapter->waiting_to_fw_download_done = FALSE;
- wait_event_timeout(Adapter->ioctl_fw_dnld_wait_queue,
- Adapter->waiting_to_fw_download_done, timeout);
- Adapter->fw_download_process_pid = INVALID_PID;
- Adapter->fw_download_done = TRUE;
- atomic_set(&Adapter->CurrNumFreeTxDesc, 0);
- Adapter->CurrNumRecvDescs = 0;
- Adapter->PrevNumRecvDescs = 0;
- atomic_set(&Adapter->cntrlpktCnt, 0);
- Adapter->LinkUpStatus = 0;
- Adapter->LinkStatus = 0;
-
- if (Adapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
- Adapter->DriverState = FW_DOWNLOAD_DONE;
- wake_up(&Adapter->LEDInfo.notify_led_event);
- }
-
- if (!timeout)
- Status = -ENODEV;
- } else {
- Status = -EINVAL;
+ if (!down_trylock(&Adapter->fw_download_sema)) {
+ up(&Adapter->fw_download_sema);
+ return -EINVAL;
}
+ Adapter->bBinDownloaded = TRUE;
+ Adapter->bCfgDownloaded = TRUE;
+ atomic_set(&Adapter->CurrNumFreeTxDesc, 0);
+ Adapter->CurrNumRecvDescs = 0;
+ Adapter->downloadDDR = 0;
+
+ /* setting the Mips to Run */
+ Status = run_card_proc(Adapter);
+
+ if (Status) {
+ BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Firm Download Failed\n");
+ up(&Adapter->fw_download_sema);
+ up(&Adapter->NVMRdmWrmLock);
+ return Status;
+ } else {
+ BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
+ DBG_LVL_ALL, "Firm Download Over...\n");
+ }
+
+ mdelay(10);
+
+ /* Wait for MailBox Interrupt */
+ if (StartInterruptUrb((PS_INTERFACE_ADAPTER)Adapter->pvInterfaceAdapter))
+ BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Unable to send interrupt...\n");
+
+ timeout = 5*HZ;
+ Adapter->waiting_to_fw_download_done = FALSE;
+ wait_event_timeout(Adapter->ioctl_fw_dnld_wait_queue,
+ Adapter->waiting_to_fw_download_done, timeout);
+ Adapter->fw_download_process_pid = INVALID_PID;
+ Adapter->fw_download_done = TRUE;
+ atomic_set(&Adapter->CurrNumFreeTxDesc, 0);
+ Adapter->CurrNumRecvDescs = 0;
+ Adapter->PrevNumRecvDescs = 0;
+ atomic_set(&Adapter->cntrlpktCnt, 0);
+ Adapter->LinkUpStatus = 0;
+ Adapter->LinkStatus = 0;
+
+ if (Adapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
+ Adapter->DriverState = FW_DOWNLOAD_DONE;
+ wake_up(&Adapter->LEDInfo.notify_led_event);
+ }
+
+ if (!timeout)
+ Status = -ENODEV;
+
up(&Adapter->fw_download_sema);
up(&Adapter->NVMRdmWrmLock);
- break;
+ return Status;
}
case IOCTL_BE_BUCKET_SIZE: