[SK_BUFF]: Introduce skb_reset_mac_header(skb)

[deliverable/linux.git] / drivers / net / ppp_generic.c

diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index c6de566188e4d6db66667b1855031d90b9dc8524..18f1790aab9a02459572c232a68a2170e32e8cff 100644 (file)
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -83,7 +83,7 @@ struct ppp_file {
        int             dead;           /* unit/channel has been shut down */
 };
 
-#define PF_TO_X(pf, X)         ((X *)((char *)(pf) - offsetof(X, file)))
+#define PF_TO_X(pf, X)         container_of(pf, X, file)
 
 #define PF_TO_PPP(pf)          PF_TO_X(pf, struct ppp)
 #define PF_TO_CHANNEL(pf)      PF_TO_X(pf, struct channel)
@@ -834,7 +834,7 @@ static int ppp_unattached_ioctl(struct ppp_file *pf, struct file *file,
        return err;
 }
 
-static struct file_operations ppp_device_fops = {
+static const struct file_operations ppp_device_fops = {
        .owner          = THIS_MODULE,
        .read           = ppp_read,
        .write          = ppp_write,
@@ -1685,7 +1685,7 @@ ppp_receive_nonmp_frame(struct ppp *ppp, struct sk_buff *skb)
                        skb_pull_rcsum(skb, 2);
                        skb->dev = ppp->dev;
                        skb->protocol = htons(npindex_to_ethertype[npi]);
-                       skb->mac.raw = skb->data;
+                       skb_reset_mac_header(skb);
                        netif_rx(skb);
                        ppp->dev->last_rx = jiffies;
                }
@@ -2544,6 +2544,9 @@ static void ppp_destroy_interface(struct ppp *ppp)
        ppp->active_filter = NULL;
 #endif /* CONFIG_PPP_FILTER */
 
+       if (ppp->xmit_pending)
+               kfree_skb(ppp->xmit_pending);
+
        kfree(ppp);
 }