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wext: Pull top-level ioctl dispatch logic into helper function. 

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2008-06-03 07:36:30 -07:00
parent d291125559
commit a67fa76d8b
1 changed files with 20 additions and 6 deletions
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26
net/wireless/wext.c
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@ -1079,8 +1079,10 @@ static int wext_permission_check(unsigned int cmd)
}
/* entry point from dev ioctl */
int wext_handle_ioctl(struct net *net, struct ifreq *ifr, unsigned int cmd,
void __user *arg)
static int wext_ioctl_dispatch(struct net *net, struct ifreq *ifr,
unsigned int cmd,
wext_ioctl_func standard,
wext_ioctl_func private)
{
int ret = wext_permission_check(cmd);
@ -1089,12 +1091,24 @@ int wext_handle_ioctl(struct net *net, struct ifreq *ifr, unsigned int cmd,
dev_load(net, ifr->ifr_name);
rtnl_lock();
ret = wireless_process_ioctl(net, ifr, cmd,
ioctl_standard_call,
ioctl_private_call);
ret = wireless_process_ioctl(net, ifr, cmd, standard, private);
rtnl_unlock();
if (IW_IS_GET(cmd) && copy_to_user(arg, ifr, sizeof(struct iwreq)))
return ret;
}
int wext_handle_ioctl(struct net *net, struct ifreq *ifr, unsigned int cmd,
void __user *arg)
{
int ret = wext_ioctl_dispatch(net, ifr, cmd,
ioctl_standard_call,
ioctl_private_call);
if (ret >= 0 &&
IW_IS_GET(cmd) &&
copy_to_user(arg, ifr, sizeof(struct iwreq)))
return -EFAULT;
return ret;
}