staging/bcm: move IOCTL_BCM_REGISTER_WRITE_PRIVATE case out to its own function.
authorDave Jones <davej@redhat.com>
Thu, 13 Feb 2014 19:45:11 +0000 (14:45 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 13 Feb 2014 21:09:57 +0000 (13:09 -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 0e63929b7b11cf4ba85df6ca15af111c1f588bf5..8779ed6b30998f2f818e8815d5e54dde3aceae57 100644 (file)
@@ -199,6 +199,52 @@ static int bcm_char_ioctl_reg_read_private(void __user *argp, struct bcm_mini_ad
        return Status;
 }
 
+static int bcm_char_ioctl_reg_write_private(void __user *argp, struct bcm_mini_adapter *Adapter)
+{
+       struct bcm_wrm_buffer sWrmBuffer = {0};
+       struct bcm_ioctl_buffer IoBuffer;
+       UINT uiTempVar = 0;
+       INT Status;
+
+       /* Copy Ioctl Buffer structure */
+
+       if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
+               return -EFAULT;
+
+       if (IoBuffer.InputLength > sizeof(sWrmBuffer))
+               return -EINVAL;
+
+       /* Get WrmBuffer structure */
+       if (copy_from_user(&sWrmBuffer, IoBuffer.InputBuffer, IoBuffer.InputLength))
+               return -EFAULT;
+
+       uiTempVar = sWrmBuffer.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))) {
+
+               BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
+                               "EEPROM Access Denied, not in VSG Mode\n");
+               return -EFAULT;
+       }
+
+       Status = wrmalt(Adapter, (UINT)sWrmBuffer.Register,
+                       (PUINT)sWrmBuffer.Data, sizeof(ULONG));
+
+       if (Status == STATUS_SUCCESS) {
+               BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
+                               DBG_LVL_ALL, "WRM Done\n");
+       } else {
+               BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
+                               DBG_LVL_ALL, "WRM Failed\n");
+               Status = -EFAULT;
+       }
+       return Status;
+}
+
+
 static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg)
 {
        struct bcm_tarang_data *pTarang = filp->private_data;
@@ -254,46 +300,9 @@ static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg)
                Status = bcm_char_ioctl_reg_read_private(argp, Adapter);
                return Status;
 
-       case IOCTL_BCM_REGISTER_WRITE_PRIVATE: {
-               struct bcm_wrm_buffer sWrmBuffer = {0};
-               UINT uiTempVar = 0;
-               /* Copy Ioctl Buffer structure */
-
-               if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
-                       return -EFAULT;
-
-               if (IoBuffer.InputLength > sizeof(sWrmBuffer))
-                       return -EINVAL;
-
-               /* Get WrmBuffer structure */
-               if (copy_from_user(&sWrmBuffer, IoBuffer.InputBuffer, IoBuffer.InputLength))
-                       return -EFAULT;
-
-               uiTempVar = sWrmBuffer.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))) {
-
-                       BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,
-                                       "EEPROM Access Denied, not in VSG Mode\n");
-                       return -EFAULT;
-               }
-
-               Status = wrmalt(Adapter, (UINT)sWrmBuffer.Register,
-                               (PUINT)sWrmBuffer.Data, sizeof(ULONG));
-
-               if (Status == STATUS_SUCCESS) {
-                       BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
-                                       DBG_LVL_ALL, "WRM Done\n");
-               } else {
-                       BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG,
-                                       DBG_LVL_ALL, "WRM Failed\n");
-                       Status = -EFAULT;
-               }
-               break;
-       }
+       case IOCTL_BCM_REGISTER_WRITE_PRIVATE:
+               Status = bcm_char_ioctl_reg_write_private(argp, Adapter);
+               return Status;
 
        case IOCTL_BCM_REGISTER_READ:
        case IOCTL_BCM_EEPROM_REGISTER_READ: {