staging/bcm: move IOCTL_BCM_BULK_WRM case out to its own function.
authorDave Jones <davej@redhat.com>
Thu, 13 Feb 2014 19:46:52 +0000 (14:46 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 13 Feb 2014 21:10:10 +0000 (13:10 -0800)
bcm_char_ioctl is one of the longest non-generated functions in the kernel,
at 1906 lines.  Splitting it up into multiple functions should simplify
this a lot.

Signed-off-by: Dave Jones <davej@fedoraproject.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/bcm/Bcmchar.c

index fb252c25f5ef1b50ed03e3f21d9f6dfc4d0f374c..e67e73ae3072d47cb996ecedbf7bc21a9d6bff7f 100644 (file)
@@ -1135,6 +1135,68 @@ static int bcm_char_ioctl_get_host_mibs(void __user *argp, struct bcm_mini_adapt
        return Status;
 }
 
+static int bcm_char_ioctl_bulk_wrm(void __user *argp, struct bcm_mini_adapter *Adapter, UINT cmd)
+{
+       struct bcm_bulk_wrm_buffer *pBulkBuffer;
+       struct bcm_ioctl_buffer IoBuffer;
+       UINT uiTempVar = 0;
+       INT Status = STATUS_FAILURE;
+       PCHAR pvBuffer = NULL;
+
+       if ((Adapter->IdleMode == TRUE) ||
+               (Adapter->bShutStatus == TRUE) ||
+               (Adapter->bPreparingForLowPowerMode == TRUE)) {
+
+               BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "Device in Idle/Shutdown Mode, Blocking Wrms\n");
+               return -EACCES;
+       }
+
+       /* Copy Ioctl Buffer structure */
+       if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
+               return -EFAULT;
+
+       if (IoBuffer.InputLength < sizeof(ULONG) * 2)
+               return -EINVAL;
+
+       pvBuffer = memdup_user(IoBuffer.InputBuffer,
+                              IoBuffer.InputLength);
+       if (IS_ERR(pvBuffer))
+               return PTR_ERR(pvBuffer);
+
+       pBulkBuffer = (struct bcm_bulk_wrm_buffer *)pvBuffer;
+
+       if (((ULONG)pBulkBuffer->Register & 0x0F000000) != 0x0F000000 ||
+               ((ULONG)pBulkBuffer->Register & 0x3)) {
+               BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "WRM Done On invalid Address : %x Access Denied.\n", (int)pBulkBuffer->Register);
+               kfree(pvBuffer);
+               return -EINVAL;
+       }
+
+       uiTempVar = pBulkBuffer->Register & EEPROM_REJECT_MASK;
+       if (!((Adapter->pstargetparams->m_u32Customize)&VSG_MODE) &&
+               ((uiTempVar == EEPROM_REJECT_REG_1) ||
+                       (uiTempVar == EEPROM_REJECT_REG_2) ||
+                       (uiTempVar == EEPROM_REJECT_REG_3) ||
+                       (uiTempVar == EEPROM_REJECT_REG_4)) &&
+               (cmd == IOCTL_BCM_REGISTER_WRITE)) {
+
+               kfree(pvBuffer);
+               BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "EEPROM Access Denied, not in VSG Mode\n");
+               return -EFAULT;
+       }
+
+       if (pBulkBuffer->SwapEndian == false)
+               Status = wrmWithLock(Adapter, (UINT)pBulkBuffer->Register, (PCHAR)pBulkBuffer->Values, IoBuffer.InputLength - 2*sizeof(ULONG));
+       else
+               Status = wrmaltWithLock(Adapter, (UINT)pBulkBuffer->Register, (PUINT)pBulkBuffer->Values, IoBuffer.InputLength - 2*sizeof(ULONG));
+
+       if (Status != STATUS_SUCCESS)
+               BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "WRM Failed\n");
+
+       kfree(pvBuffer);
+       return Status;
+}
+
 
 static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg)
 {
@@ -1311,67 +1373,9 @@ static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg)
                Status = STATUS_SUCCESS;
                break;
 
-       case IOCTL_BCM_BULK_WRM: {
-               struct bcm_bulk_wrm_buffer *pBulkBuffer;
-               UINT uiTempVar = 0;
-               PCHAR pvBuffer = NULL;
-
-               if ((Adapter->IdleMode == TRUE) ||
-                       (Adapter->bShutStatus == TRUE) ||
-                       (Adapter->bPreparingForLowPowerMode == TRUE)) {
-
-                       BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "Device in Idle/Shutdown Mode, Blocking Wrms\n");
-                       Status = -EACCES;
-                       break;
-               }
-
-               /* Copy Ioctl Buffer structure */
-               if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
-                       return -EFAULT;
-
-               if (IoBuffer.InputLength < sizeof(ULONG) * 2)
-                       return -EINVAL;
-
-               pvBuffer = memdup_user(IoBuffer.InputBuffer,
-                                      IoBuffer.InputLength);
-               if (IS_ERR(pvBuffer))
-                       return PTR_ERR(pvBuffer);
-
-               pBulkBuffer = (struct bcm_bulk_wrm_buffer *)pvBuffer;
-
-               if (((ULONG)pBulkBuffer->Register & 0x0F000000) != 0x0F000000 ||
-                       ((ULONG)pBulkBuffer->Register & 0x3)) {
-                       BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "WRM Done On invalid Address : %x Access Denied.\n", (int)pBulkBuffer->Register);
-                       kfree(pvBuffer);
-                       Status = -EINVAL;
-                       break;
-               }
-
-               uiTempVar = pBulkBuffer->Register & EEPROM_REJECT_MASK;
-               if (!((Adapter->pstargetparams->m_u32Customize)&VSG_MODE) &&
-                       ((uiTempVar == EEPROM_REJECT_REG_1) ||
-                               (uiTempVar == EEPROM_REJECT_REG_2) ||
-                               (uiTempVar == EEPROM_REJECT_REG_3) ||
-                               (uiTempVar == EEPROM_REJECT_REG_4)) &&
-                       (cmd == IOCTL_BCM_REGISTER_WRITE)) {
-
-                       kfree(pvBuffer);
-                       BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "EEPROM Access Denied, not in VSG Mode\n");
-                       Status = -EFAULT;
-                       break;
-               }
-
-               if (pBulkBuffer->SwapEndian == false)
-                       Status = wrmWithLock(Adapter, (UINT)pBulkBuffer->Register, (PCHAR)pBulkBuffer->Values, IoBuffer.InputLength - 2*sizeof(ULONG));
-               else
-                       Status = wrmaltWithLock(Adapter, (UINT)pBulkBuffer->Register, (PUINT)pBulkBuffer->Values, IoBuffer.InputLength - 2*sizeof(ULONG));
-
-               if (Status != STATUS_SUCCESS)
-                       BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "WRM Failed\n");
-
-               kfree(pvBuffer);
-               break;
-       }
+       case IOCTL_BCM_BULK_WRM:
+               Status = bcm_char_ioctl_bulk_wrm(argp, Adapter, cmd);
+               return Status;
 
        case IOCTL_BCM_GET_NVM_SIZE:
                if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))