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path: root/drivers/isdn/i4l/isdn_ppp.c
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Diffstat (limited to 'drivers/isdn/i4l/isdn_ppp.c')
-rw-r--r--drivers/isdn/i4l/isdn_ppp.c46
1 files changed, 25 insertions, 21 deletions
diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c
index 61ac63237446..c4198fa490bf 100644
--- a/drivers/isdn/i4l/isdn_ppp.c
+++ b/drivers/isdn/i4l/isdn_ppp.c
@@ -379,12 +379,12 @@ isdn_ppp_release(int min, struct file *file)
#endif
#ifdef CONFIG_IPPP_FILTER
if (is->pass_filter) {
- sk_unattached_filter_destroy(is->pass_filter);
+ bpf_prog_destroy(is->pass_filter);
is->pass_filter = NULL;
}
if (is->active_filter) {
- sk_unattached_filter_destroy(is->active_filter);
+ bpf_prog_destroy(is->active_filter);
is->active_filter = NULL;
}
#endif
@@ -442,7 +442,7 @@ static int get_filter(void __user *arg, struct sock_filter **p)
{
struct sock_fprog uprog;
struct sock_filter *code = NULL;
- int len, err;
+ int len;
if (copy_from_user(&uprog, arg, sizeof(uprog)))
return -EFAULT;
@@ -458,12 +458,6 @@ static int get_filter(void __user *arg, struct sock_filter **p)
if (IS_ERR(code))
return PTR_ERR(code);
- err = sk_chk_filter(code, uprog.len);
- if (err) {
- kfree(code);
- return err;
- }
-
*p = code;
return uprog.len;
}
@@ -644,9 +638,14 @@ isdn_ppp_ioctl(int min, struct file *file, unsigned int cmd, unsigned long arg)
fprog.len = len;
fprog.filter = code;
- if (is->pass_filter)
- sk_unattached_filter_destroy(is->pass_filter);
- err = sk_unattached_filter_create(&is->pass_filter, &fprog);
+ if (is->pass_filter) {
+ bpf_prog_destroy(is->pass_filter);
+ is->pass_filter = NULL;
+ }
+ if (fprog.filter != NULL)
+ err = bpf_prog_create(&is->pass_filter, &fprog);
+ else
+ err = 0;
kfree(code);
return err;
@@ -663,9 +662,14 @@ isdn_ppp_ioctl(int min, struct file *file, unsigned int cmd, unsigned long arg)
fprog.len = len;
fprog.filter = code;
- if (is->active_filter)
- sk_unattached_filter_destroy(is->active_filter);
- err = sk_unattached_filter_create(&is->active_filter, &fprog);
+ if (is->active_filter) {
+ bpf_prog_destroy(is->active_filter);
+ is->active_filter = NULL;
+ }
+ if (fprog.filter != NULL)
+ err = bpf_prog_create(&is->active_filter, &fprog);
+ else
+ err = 0;
kfree(code);
return err;
@@ -1168,14 +1172,14 @@ isdn_ppp_push_higher(isdn_net_dev *net_dev, isdn_net_local *lp, struct sk_buff *
}
if (is->pass_filter
- && SK_RUN_FILTER(is->pass_filter, skb) == 0) {
+ && BPF_PROG_RUN(is->pass_filter, skb) == 0) {
if (is->debug & 0x2)
printk(KERN_DEBUG "IPPP: inbound frame filtered.\n");
kfree_skb(skb);
return;
}
if (!(is->active_filter
- && SK_RUN_FILTER(is->active_filter, skb) == 0)) {
+ && BPF_PROG_RUN(is->active_filter, skb) == 0)) {
if (is->debug & 0x2)
printk(KERN_DEBUG "IPPP: link-active filter: resetting huptimer.\n");
lp->huptimer = 0;
@@ -1314,14 +1318,14 @@ isdn_ppp_xmit(struct sk_buff *skb, struct net_device *netdev)
}
if (ipt->pass_filter
- && SK_RUN_FILTER(ipt->pass_filter, skb) == 0) {
+ && BPF_PROG_RUN(ipt->pass_filter, skb) == 0) {
if (ipt->debug & 0x4)
printk(KERN_DEBUG "IPPP: outbound frame filtered.\n");
kfree_skb(skb);
goto unlock;
}
if (!(ipt->active_filter
- && SK_RUN_FILTER(ipt->active_filter, skb) == 0)) {
+ && BPF_PROG_RUN(ipt->active_filter, skb) == 0)) {
if (ipt->debug & 0x4)
printk(KERN_DEBUG "IPPP: link-active filter: resetting huptimer.\n");
lp->huptimer = 0;
@@ -1511,9 +1515,9 @@ int isdn_ppp_autodial_filter(struct sk_buff *skb, isdn_net_local *lp)
}
drop |= is->pass_filter
- && SK_RUN_FILTER(is->pass_filter, skb) == 0;
+ && BPF_PROG_RUN(is->pass_filter, skb) == 0;
drop |= is->active_filter
- && SK_RUN_FILTER(is->active_filter, skb) == 0;
+ && BPF_PROG_RUN(is->active_filter, skb) == 0;
skb_push(skb, IPPP_MAX_HEADER - 4);
return drop;