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staging: ft1000: Remove functions which create devices in kernel space.

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Remove exec_mknod() and rm_mknod() helpers which was used for
device nodes creating/removing in kernel space.

Signed-off-by: Marek Belisko <marek.belisko@open-nandra.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Marek Belisko 2010-11-23 13:29:28 +01:00 committed by Greg Kroah-Hartman
parent 6efe04ee41
commit e999fb0574
1 changed files with 0 additions and 93 deletions
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93
drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c
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@ -78,88 +78,6 @@ static struct file_operations ft1000fops =
.llseek = no_llseek,
};
//---------------------------------------------------------------------------
// Function: exec_mknod
//
// Parameters:
//
// Returns:
//
// Description:
//
// Notes:
//
//---------------------------------------------------------------------------
static int exec_mknod (void *pdata)
{
struct ft1000_info *info;
char mjnum[4];
char minornum[4];
char temp[32];
int retcode;
// int i; //aelias [-] reason : unused variable
char *envp[] = { "HOME=/", "PATH=/usr/bin:/bin", NULL };
char *argv[]={"-m 666",temp,"c",mjnum,minornum,NULL};
info = pdata;
DEBUG("ft1000_chdev:exec_mknod is called with major number = %d\n", info->DeviceMajor);
sprintf(temp, "%s%s", "/dev/", info->DeviceName) ;
sprintf(mjnum, "%d", info->DeviceMajor);
sprintf(minornum, "%d", info->CardNumber);
//char *argv[]={"mknod","-m 666",temp,"c",mjnum,minornum,NULL};
// char *argv[]={"-m 666",temp,"c",mjnum,minornum,NULL};
//for (i=0; i<7;i++)
// DEBUG("argv[%d]=%s\n", i, argv[i]);
retcode = call_usermodehelper ("/bin/mknod", argv, envp, 1);
if (retcode) {
DEBUG("ft1000_chdev:exec_mknod failed to make the node: retcode = %d\n", retcode);
}
return retcode;
}
//---------------------------------------------------------------------------
// Function: rm_mknod
//
// Description: This module removes the FT1000 device file
//
//---------------------------------------------------------------------------
static int rm_mknod (void *pdata)
{
struct ft1000_info *info;
//char *argv[4]={"rm", "-f", "/dev/FT1000", NULL};
int retcode;
char temp[32];
char *argv[]={"rm", "-f", temp, NULL};
info = (struct ft1000_info *)pdata;
DEBUG("ft1000_chdev:rm_mknod is called for device %s\n", info->DeviceName);
sprintf(temp, "%s%s", "/dev/", info->DeviceName) ;
// char *argv[]={"rm", "-f", temp, NULL};
retcode = call_usermodehelper ("/bin/rm", argv, NULL, 1);
if (retcode) {
DEBUG("ft1000_chdev:rm_mknod failed to remove the node: retcode = %d\n", retcode);
}
else
DEBUG("ft1000_chdev:rm_mknod done!\n");
return retcode;
}
//---------------------------------------------------------------------------
// Function: ft1000_get_buffer
//
@ -238,15 +156,10 @@ int ft1000_CreateDevice(struct ft1000_device *dev)
struct ft1000_info *info = netdev_priv(dev->net);
int result;
int i;
pid_t pid;
// make a new device name
sprintf(info->DeviceName, "%s%d", "FT100", info->CardNumber);
// Delete any existing FT1000 node
pid = kernel_thread (rm_mknod,(void *)info, 0);
msleep(1000);
DEBUG("ft1000_CreateDevice: number of instance = %d\n", ft1000_flarion_cnt);
DEBUG("DeviceCreated = %x\n", info->DeviceCreated);
@ -282,9 +195,6 @@ int ft1000_CreateDevice(struct ft1000_device *dev)
DEBUG("ft1000_PcdCreateDevice: device major = %d\n", info->DeviceMajor);
}
// Create a thread to call user mode app to mknod
pid = kernel_thread (exec_mknod, (void *)info, 0);
// initialize application information
// if (ft1000_flarion_cnt == 0) {
@ -350,7 +260,6 @@ void ft1000_DestroyDevice(struct net_device *dev)
{
struct ft1000_info *info = netdev_priv(dev);
int result = 0;
pid_t pid;
int i;
struct dpram_blk *pdpram_blk;
struct dpram_blk *ptr;
@ -366,8 +275,6 @@ void ft1000_DestroyDevice(struct net_device *dev)
DEBUG("ft1000_DestroyDevice: unregistered device \"%s\", result = %d\n",
info->DeviceName, result);
pid = kernel_thread (rm_mknod, (void *)info, 0);
// Make sure we free any memory reserve for slow Queue
for (i=0; i<MAX_NUM_APP; i++) {
while (list_empty(&info->app_info[i].app_sqlist) == 0) {