* packets */
newfrag = skb;
- /* Insert new fragment into the proper sequence slot. */
- skb_queue_walk(&mp->frags, frag) {
- if (MP_SEQ(frag) == newseq) {
- isdn_ppp_mp_free_skb(mp, newfrag);
- newfrag = NULL;
- break;
- }
- if (MP_LT(newseq, MP_SEQ(frag))) {
- __skb_queue_before(&mp->frags, frag, newfrag);
- newfrag = NULL;
- break;
- }
- }
- if (newfrag)
- __skb_queue_tail(&mp->frags, newfrag);
+ /* if this new fragment is before the first one, then enqueue it now. */
+ if ((frag = mp->frags) == NULL || MP_LT(newseq, MP_SEQ(frag))) {
+ newfrag->next = frag;
+ mp->frags = frag = newfrag;
+ newfrag = NULL;
+ }
- frag = skb_peek(&mp->frags);
- start = ((MP_FLAGS(frag) & MP_BEGIN_FRAG) &&
- (MP_SEQ(frag) == mp->seq)) ? frag : NULL;
- if (!start)
- goto check_overflow;
+ start = MP_FLAGS(frag) & MP_BEGIN_FRAG &&
+ MP_SEQ(frag) == mp->seq ? frag : NULL;
- /* main fragment traversing loop
+ /*
+ * main fragment traversing loop
*
* try to accomplish several tasks:
+ * - insert new fragment into the proper sequence slot (once that's done
+ * newfrag will be set to NULL)
* - reassemble any complete fragment sequence (non-null 'start'
- * indicates there is a continguous sequence present)
+ * indicates there is a contiguous sequence present)
* - discard any incomplete sequences that are below minseq -- due
* to the fact that sender always increment sequence number, if there
* is an incomplete sequence below minseq, no new fragments would
default m
depends on SAMPLE_KPROBES && KRETPROBES
+config SAMPLE_HW_BREAKPOINT
+ tristate "Build kernel hardware breakpoint examples -- loadable module only"
+ depends on HAVE_HW_BREAKPOINT && m
+ help
+ This builds kernel hardware breakpoint example modules.
+
endif # SAMPLES
-