staging/bcm: move IOCTL_BCM_GET_FLASH_CS_INFO case out to its own function.
authorDave Jones <davej@redhat.com>
Thu, 13 Feb 2014 19:47:48 +0000 (14:47 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 13 Feb 2014 21:36:15 +0000 (13:36 -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 7cf793b..95cad1c 100644 (file)
@@ -1804,6 +1804,40 @@ static int bcm_char_ioctl_copy_section(void __user *argp, struct bcm_mini_adapte
        return Status;
 }
 
+static int bcm_char_ioctl_get_flash_cs_info(void __user *argp, struct bcm_mini_adapter *Adapter)
+{
+       struct bcm_ioctl_buffer IoBuffer;
+       INT Status = STATUS_SUCCESS;
+
+       BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, " IOCTL_BCM_GET_FLASH_CS_INFO Called");
+
+       Status = copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer));
+       if (Status) {
+               BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of IOCTL BUFFER failed");
+               return -EFAULT;
+       }
+
+       if (Adapter->eNVMType != NVM_FLASH) {
+               BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Connected device does not have flash");
+               return -EINVAL;
+       }
+
+       if (IsFlash2x(Adapter) == TRUE) {
+               if (IoBuffer.OutputLength < sizeof(struct bcm_flash2x_cs_info))
+                       return -EINVAL;
+
+               if (copy_to_user(IoBuffer.OutputBuffer, Adapter->psFlash2xCSInfo, sizeof(struct bcm_flash2x_cs_info)))
+                       return -EFAULT;
+       } else {
+               if (IoBuffer.OutputLength < sizeof(struct bcm_flash_cs_info))
+                       return -EINVAL;
+
+               if (copy_to_user(IoBuffer.OutputBuffer, Adapter->psFlashCSInfo, sizeof(struct bcm_flash_cs_info)))
+                       return -EFAULT;
+       }
+       return Status;
+}
+
 
 static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg)
 {
@@ -2028,37 +2062,9 @@ static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg)
                Status = bcm_char_ioctl_copy_section(argp, Adapter);
                return Status;
 
-       case IOCTL_BCM_GET_FLASH_CS_INFO: {
-               Status = STATUS_SUCCESS;
-               BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, " IOCTL_BCM_GET_FLASH_CS_INFO Called");
-
-               Status = copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer));
-               if (Status) {
-                       BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Copy of IOCTL BUFFER failed");
-                       return -EFAULT;
-               }
-
-               if (Adapter->eNVMType != NVM_FLASH) {
-                       BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "Connected device does not have flash");
-                       Status = -EINVAL;
-                       break;
-               }
-
-               if (IsFlash2x(Adapter) == TRUE) {
-                       if (IoBuffer.OutputLength < sizeof(struct bcm_flash2x_cs_info))
-                               return -EINVAL;
-
-                       if (copy_to_user(IoBuffer.OutputBuffer, Adapter->psFlash2xCSInfo, sizeof(struct bcm_flash2x_cs_info)))
-                               return -EFAULT;
-               } else {
-                       if (IoBuffer.OutputLength < sizeof(struct bcm_flash_cs_info))
-                               return -EINVAL;
-
-                       if (copy_to_user(IoBuffer.OutputBuffer, Adapter->psFlashCSInfo, sizeof(struct bcm_flash_cs_info)))
-                               return -EFAULT;
-               }
-       }
-       break;
+       case IOCTL_BCM_GET_FLASH_CS_INFO:
+               Status = bcm_char_ioctl_get_flash_cs_info(argp, Adapter);
+               return Status;
 
        case IOCTL_BCM_SELECT_DSD: {
                UINT SectOfset = 0;