[PATCH 25/38] staging/bcm: move IOCTL_BCM_SET_DEBUG case out to its own function.

From: Dave Jones
Date: Thu Feb 13 2014 - 14:51:45 EST


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@xxxxxxxxxxxxxxxxx>
---
drivers/staging/bcm/Bcmchar.c | 71 +++++++++++++++++++++++--------------------
1 file changed, 38 insertions(+), 33 deletions(-)

diff --git a/drivers/staging/bcm/Bcmchar.c b/drivers/staging/bcm/Bcmchar.c
index dc0e53493e64..a5d5c58b5a90 100644
--- a/drivers/staging/bcm/Bcmchar.c
+++ b/drivers/staging/bcm/Bcmchar.c
@@ -1250,6 +1250,42 @@ static int bcm_char_ioctl_cal_init(void __user *argp, struct bcm_mini_adapter *A
return Status;
}

+static int bcm_char_ioctl_set_debug(void __user *argp, struct bcm_mini_adapter *Adapter)
+{
+#ifdef DEBUG
+ struct bcm_ioctl_buffer IoBuffer;
+ struct bcm_user_debug_state sUserDebugState;
+
+ BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "In SET_DEBUG ioctl\n");
+ if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
+ return -EFAULT;
+
+ if (copy_from_user(&sUserDebugState, IoBuffer.InputBuffer, sizeof(struct bcm_user_debug_state)))
+ return -EFAULT;
+
+ BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "IOCTL_BCM_SET_DEBUG: OnOff=%d Type = 0x%x ",
+ sUserDebugState.OnOff, sUserDebugState.Type);
+ /* sUserDebugState.Subtype <<= 1; */
+ sUserDebugState.Subtype = 1 << sUserDebugState.Subtype;
+ BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "actual Subtype=0x%x\n", sUserDebugState.Subtype);
+
+ /* Update new 'DebugState' in the Adapter */
+ Adapter->stDebugState.type |= sUserDebugState.Type;
+ /* Subtype: A bitmap of 32 bits for Subtype per Type.
+ * Valid indexes in 'subtype' array: 1,2,4,8
+ * corresponding to valid Type values. Hence we can use the 'Type' field
+ * as the index value, ignoring the array entries 0,3,5,6,7 !
+ */
+ if (sUserDebugState.OnOff)
+ Adapter->stDebugState.subtype[sUserDebugState.Type] |= sUserDebugState.Subtype;
+ else
+ Adapter->stDebugState.subtype[sUserDebugState.Type] &= ~sUserDebugState.Subtype;
+
+ BCM_SHOW_DEBUG_BITMAP(Adapter);
+#endif
+ return STATUS_SUCCESS;
+}
+

static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg)
{
@@ -1439,39 +1475,8 @@ static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg)
return Status;

case IOCTL_BCM_SET_DEBUG:
-#ifdef DEBUG
- {
- struct bcm_user_debug_state sUserDebugState;
-
- BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "In SET_DEBUG ioctl\n");
- if (copy_from_user(&IoBuffer, argp, sizeof(struct bcm_ioctl_buffer)))
- return -EFAULT;
-
- if (copy_from_user(&sUserDebugState, IoBuffer.InputBuffer, sizeof(struct bcm_user_debug_state)))
- return -EFAULT;
-
- BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "IOCTL_BCM_SET_DEBUG: OnOff=%d Type = 0x%x ",
- sUserDebugState.OnOff, sUserDebugState.Type);
- /* sUserDebugState.Subtype <<= 1; */
- sUserDebugState.Subtype = 1 << sUserDebugState.Subtype;
- BCM_DEBUG_PRINT (Adapter, DBG_TYPE_PRINTK, 0, 0, "actual Subtype=0x%x\n", sUserDebugState.Subtype);
-
- /* Update new 'DebugState' in the Adapter */
- Adapter->stDebugState.type |= sUserDebugState.Type;
- /* Subtype: A bitmap of 32 bits for Subtype per Type.
- * Valid indexes in 'subtype' array: 1,2,4,8
- * corresponding to valid Type values. Hence we can use the 'Type' field
- * as the index value, ignoring the array entries 0,3,5,6,7 !
- */
- if (sUserDebugState.OnOff)
- Adapter->stDebugState.subtype[sUserDebugState.Type] |= sUserDebugState.Subtype;
- else
- Adapter->stDebugState.subtype[sUserDebugState.Type] &= ~sUserDebugState.Subtype;
-
- BCM_SHOW_DEBUG_BITMAP(Adapter);
- }
-#endif
- break;
+ Status = bcm_char_ioctl_set_debug(argp, Adapter);
+ return Status;

case IOCTL_BCM_NVM_READ:
case IOCTL_BCM_NVM_WRITE: {
--
1.8.5.3

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/