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Message-Id: <201402131945.s1DJjBGG022489@gelk.kernelslacker.org>
Date: Thu, 13 Feb 2014 14:45:11 -0500
From: Dave Jones <davej@...hat.com>
To: linux-kernel@...r.kernel.org
Cc: gregkh@...uxfoundation.org
Subject: [PATCH 02/38] staging/bcm: move IOCTL_BCM_REGISTER_WRITE_PRIVATE 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@...oraproject.org>
---
drivers/staging/bcm/Bcmchar.c | 89 ++++++++++++++++++++++++-------------------
1 file changed, 49 insertions(+), 40 deletions(-)
diff --git a/drivers/staging/bcm/Bcmchar.c b/drivers/staging/bcm/Bcmchar.c
index 0e63929b7b11..8779ed6b3099 100644
--- a/drivers/staging/bcm/Bcmchar.c
+++ b/drivers/staging/bcm/Bcmchar.c
@@ -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: {
--
1.8.5.3
--
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