1 files changed, 8 insertions, 12 deletions

diff --git a/drivers/isdn/hisax/isdnl2.c b/drivers/isdn/hisax/isdnl2.c
index 18accb0a79cc..c53a53f6efb6 100644
--- a/drivers/isdn/hisax/isdnl2.c
+++ b/drivers/isdn/hisax/isdnl2.c
@@ -1247,7 +1247,7 @@ static void
 l2_pull_iqueue(struct FsmInst *fi, int event, void *arg)
 {
         struct PStack *st = fi->userdata;
-        struct sk_buff *skb;
+        struct sk_buff *skb, *nskb;
         struct Layer2 *l2 = &st->l2;
         u_char header[MAX_HEADER_LEN];
         int i, hdr_space_needed;
@@ -1262,14 +1262,10 @@ l2_pull_iqueue(struct FsmInst *fi, int event, void *arg)
                 return;
 
         hdr_space_needed = l2headersize(l2, 0);
-        if (hdr_space_needed > skb_headroom(skb)) {
-                struct sk_buff *orig_skb = skb;
-
-                skb = skb_realloc_headroom(skb, hdr_space_needed);
-                if (!skb) {
-                        dev_kfree_skb(orig_skb);
-                        return;
-                }
+        nskb = skb_realloc_headroom(skb, hdr_space_needed);
+        if (!nskb) {
+                skb_queue_head(&l2->i_queue, skb);
+                return;
         }
         spin_lock_irqsave(&l2->lock, flags);
         if (test_bit(FLG_MOD128, &l2->flag))
@@ -1282,7 +1278,7 @@ l2_pull_iqueue(struct FsmInst *fi, int event, void *arg)
                        p1);
                 dev_kfree_skb(l2->windowar[p1]);
         }
-        l2->windowar[p1] = skb_clone(skb, GFP_ATOMIC);
+        l2->windowar[p1] = skb;
 
         i = sethdraddr(&st->l2, header, CMD);
 
@@ -1295,8 +1291,8 @@ l2_pull_iqueue(struct FsmInst *fi, int event, void *arg)
                 l2->vs = (l2->vs + 1) % 8;
         }
         spin_unlock_irqrestore(&l2->lock, flags);
-        memcpy(skb_push(skb, i), header, i);
-        st->l2.l2l1(st, PH_PULL | INDICATION, skb);
+        memcpy(skb_push(nskb, i), header, i);
+        st->l2.l2l1(st, PH_PULL | INDICATION, nskb);
         test_and_clear_bit(FLG_ACK_PEND, &st->l2.flag);
         if (!test_and_set_bit(FLG_T200_RUN, &st->l2.flag)) {
                 FsmDelTimer(&st->l2.t203, 13);