staging/bcm: move IOCTL_BCM_GET_DEVICE_DRIVER_INFO case out to its own function.

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>

diff --git a/drivers/staging/bcm/Bcmchar.c b/drivers/staging/bcm/Bcmchar.c
index 2cfdbee..74360ee 100644 (file)
--- a/drivers/staging/bcm/Bcmchar.c
+++ b/drivers/staging/bcm/Bcmchar.c
@@ -2003,6 +2003,32 @@ static int bcm_char_ioctl_cntrlmsg_mask(void __user *argp, struct bcm_mini_adapt
        return Status;
 }
 
+static int bcm_char_ioctl_get_device_driver_info(void __user *argp, struct bcm_mini_adapter *Adapter)
+{
+       struct bcm_driver_info DevInfo;
+       struct bcm_ioctl_buffer IoBuffer;
+
+       BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Called IOCTL_BCM_GET_DEVICE_DRIVER_INFO\n");
+
+       memset(&DevInfo, 0, sizeof(DevInfo));
+       DevInfo.MaxRDMBufferSize = BUFFER_4K;
+       DevInfo.u32DSDStartOffset = EEPROM_CALPARAM_START;
+       DevInfo.u32RxAlignmentCorrection = 0;
+       DevInfo.u32NVMType = Adapter->eNVMType;
+       DevInfo.u32InterfaceType = BCM_USB;
+
+       if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
+               return -EFAULT;
+
+       if (IoBuffer.OutputLength < sizeof(DevInfo))
+               return -EINVAL;
+
+       if (copy_to_user(IoBuffer.OutputBuffer, &DevInfo, sizeof(DevInfo)))
+               return -EFAULT;
+
+       return STATUS_SUCCESS;
+}
+
 
 static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg)
 {
@@ -2243,28 +2269,9 @@ static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg)
                Status = bcm_char_ioctl_cntrlmsg_mask(argp, Adapter, pTarang);
                return Status;
 
-       case IOCTL_BCM_GET_DEVICE_DRIVER_INFO: {
-               struct bcm_driver_info DevInfo;
-
-               BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Called IOCTL_BCM_GET_DEVICE_DRIVER_INFO\n");
-
-               memset(&DevInfo, 0, sizeof(DevInfo));
-               DevInfo.MaxRDMBufferSize = BUFFER_4K;
-               DevInfo.u32DSDStartOffset = EEPROM_CALPARAM_START;
-               DevInfo.u32RxAlignmentCorrection = 0;
-               DevInfo.u32NVMType = Adapter->eNVMType;
-               DevInfo.u32InterfaceType = BCM_USB;
-
-               if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
-                       return -EFAULT;
-
-               if (IoBuffer.OutputLength < sizeof(DevInfo))
-                       return -EINVAL;
-
-               if (copy_to_user(IoBuffer.OutputBuffer, &DevInfo, sizeof(DevInfo)))
-                       return -EFAULT;
-       }
-       break;
+       case IOCTL_BCM_GET_DEVICE_DRIVER_INFO:
+               Status = bcm_char_ioctl_get_device_driver_info(argp, Adapter);
+               return Status;
 
        case IOCTL_BCM_TIME_SINCE_NET_ENTRY: {
                struct bcm_time_elapsed stTimeElapsedSinceNetEntry = {0};