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Staging: bcm: Outsourced cmd handling to function 

This patch outsourced the true-branch for the IOCTL_BCM_NVM_READ command
handling to shorten the bcm_char_ioctl_nvm_rw() function.

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Matthias Beyer 2014-05-22 12:17:26 +02:00 committed by Greg Kroah-Hartman
parent 22840adaf7
commit 8224ac2a78
1 changed files with 42 additions and 28 deletions
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70
drivers/staging/bcm/Bcmchar.c
View File

@ -1,6 +1,44 @@
#include <linux/fs.h>
#include "headers.h"
static int bcm_handle_nvm_read_cmd(struct bcm_mini_adapter *Adapter,
PUCHAR pReadData, struct bcm_nvm_readwrite *stNVMReadWrite)
{
INT Status = STATUS_FAILURE;
down(&Adapter->NVMRdmWrmLock);
if ((Adapter->IdleMode == TRUE) || (Adapter->bShutStatus == TRUE) ||
(Adapter->bPreparingForLowPowerMode == TRUE)) {
BCM_DEBUG_PRINT(Adapter,
DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
"Device is in Idle/Shutdown Mode\n");
up(&Adapter->NVMRdmWrmLock);
kfree(pReadData);
return -EACCES;
}
Status = BeceemNVMRead(Adapter, (PUINT)pReadData,
stNVMReadWrite->uiOffset,
stNVMReadWrite->uiNumBytes);
up(&Adapter->NVMRdmWrmLock);
if (Status != STATUS_SUCCESS) {
kfree(pReadData);
return Status;
}
if (copy_to_user(stNVMReadWrite->pBuffer, pReadData,
stNVMReadWrite->uiNumBytes)) {
kfree(pReadData);
return -EFAULT;
}
return STATUS_SUCCESS;
}
/***************************************************************
* Function - bcm_char_open()
*
@ -1449,34 +1487,10 @@ static int bcm_char_ioctl_nvm_rw(void __user *argp,
do_gettimeofday(&tv0);
if (IOCTL_BCM_NVM_READ == cmd) {
down(&Adapter->NVMRdmWrmLock);
if ((Adapter->IdleMode == TRUE) ||
(Adapter->bShutStatus == TRUE) ||
(Adapter->bPreparingForLowPowerMode == TRUE)) {
BCM_DEBUG_PRINT(Adapter,
DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL,
"Device is in Idle/Shutdown Mode\n");
up(&Adapter->NVMRdmWrmLock);
kfree(pReadData);
return -EACCES;
}
Status = BeceemNVMRead(Adapter, (PUINT)pReadData,
stNVMReadWrite.uiOffset, stNVMReadWrite.uiNumBytes);
up(&Adapter->NVMRdmWrmLock);
if (Status != STATUS_SUCCESS) {
kfree(pReadData);
return Status;
}
if (copy_to_user(stNVMReadWrite.pBuffer, pReadData,
stNVMReadWrite.uiNumBytes)) {
kfree(pReadData);
return -EFAULT;
}
int ret = bcm_handle_nvm_read_cmd(Adapter, pReadData,
&stNVMReadWrite);
if (ret != STATUS_SUCCESS)
return ret;
} else {
down(&Adapter->NVMRdmWrmLock);